List of coupled cousins
Contributors to Familypedia
This is a list of prominent individuals who have been romantically or maritally coupled with a cousin. AAbdullah ibn Abdul-Muttalib and his third cousin once removed, Aminah John Adams and his third cousin, Abigail Smith[1] John Adams II and his first cousin, Mary Catherine Hellen. Mary Louisa...
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Familypedia
Person Spouse Married Year Relationship Common ancestor(s) Prince Adalbert of Bavaria Countess Augusta von Seefried auf Buttenheim 12 June 1919 1919 Second cousins once removed Ludwig I of Bavaria Prince Adalbert of Prussia Princess Adelaide of Saxe-Meiningen 3 August 1914 1914 Second cousins Ernst I, Prince of Hohenlohe-Langenburg Adolf, Duke of Holstein-Gottorp Christine of Hesse 17 December 1564 1564 Second cousins once removed Eric II, Duke of Pomerania Adolf I, Prince of Schaumburg-Lippe Princess Hermine of Waldeck and Pyrmont 25 October 1844 1844 First cousins George I, Prince of Waldeck and Pyrmont Adolf Frederick, King of Sweden Louisa Ulrika of Prussia 29 August 1744 1744 Third cousins George, Duke of Brunswick-Lüneburg Duke Adolf Friedrich of Mecklenburg Princess Viktoria Feodora of Reuss-Schleiz 24 April 1917 1917 Fourth cousins Frederick II Eugene, Duke of Württemberg Adolph, Landgrave of Hesse-Philippsthal-Barchfeld Princess Louise of Saxe-Meiningen 18 October 1781 1781 First cousins once removed Philip, Landgrave of Hesse-Philippsthal Adolphe, Grand Duke of Luxembourg Grand Duchess Elizabeth Mikhailovna of Russia

(first wife) 31 January 1844 1844 Second cousins once removed Charles II, Grand Duke of Mecklenburg-Strelitz Adolphe, Grand Duke of Luxembourg Princess Adelheid-Marie of Anhalt-Dessau

(second wife) 23 April 1851 1851 Fourth cousins Louis VIII, Landgrave of Hesse-Darmstadt Prince Adolphus, Duke of Cambridge Princess Augusta of Hesse-Kassel 1 June 1818 1818 Second cousins George II of Great Britain Adolphus Frederick II, Duke of Mecklenburg-Strelitz Princess Maria of Mecklenburg-Güstrow 1684 1684 First cousins once removed Johann VII, Duke of Mecklenburg Adolphus Frederick III, Duke of Mecklenburg-Strelitz Princess Dorothea of Schleswig-Holstein-Sonderburg-Plön 16 April 1709 1709 Third cousins Adolf, Duke of Holstein-Gottorp Adolphus Frederick V, Grand Duke of Mecklenburg-Strelitz Princess Elisabeth of Anhalt April 17, 1877 1877 Second cousins once removed Charles II, Grand Duke of Mecklenburg-Strelitz Afonso, Prince of Portugal Isabella of Aragon, Queen of Portugal 1490 1490 Second cousins John, Constable of Portugal Afonso II of Portugal Urraca of Castile, Queen of Portugal 1206 1206 Second cousins once removed Ramon Berenguer III, Count of Barcelona and Douce I, Countess of Provence Afonso III of Portugal Matilda II, Countess of Boulogne

(first wife) 1239 1239 Third cousins once removed Fulk, King of Jerusalem Afonso III of Portugal Beatrice of Castile

(second wife) 1253 1253 First cousins twice removed Alfonso VIII of Castile Afonso IV of Portugal Beatrice of Castile 12 September 1309 1309 Half-first cousins once removed Alfonso X of Castile Afonso V of Portugal Isabel of Coimbra

(first wife) 6 May 1447 1447 First cousins John I of Portugal Afonso V of Portugal Joanna la Beltraneja

(second wife) 10 May 1475 1475 First cousins once removed[69] Ferdinand I of Aragon Afonso of Portugal, Lord of Portalegre Violante Manuel 1287 1287 First cousins once removed Ferdinand III of Castile Agrippina the Elder Germanicus between 5 BC and 1 BC -1 Second cousins Gaius Octavius and Atia Balba Caesonia Agrippina the Younger Gnaeus Domitius Ahenobarbus 28 28 First cousins once removed Mark Antony and Octavia the Younger Prince Aimone, Duke of Apulia Princess Olga, Duchess of Apulia 16 September 2008 2008 Second cousins (through Prince Jean, Duke of Guise); second cousins once removed (through George I of Greece) Prince Jean, Duke of Guise; George I of Greece Albert of Saxony Carola of Vasa 18 June 1853 1853 Second cousins Charles Louis, Hereditary Prince of Baden Prince Albert of Saxe-Altenburg Princess Marie of Prussia

(first wife) 6 May 1885 1885 Second cousins once removed Charles II, Grand Duke of Mecklenburg-Strelitz Prince Albert of Saxe-Altenburg Duchess Helene of Mecklenburg-Strelitz

(second wife) 13 December 1891 1891 Second cousins Charles II, Grand Duke of Mecklenburg-Strelitz Prince Albert of Prussia Princess Marianne of the Netherlands 14 September 1830 1830 First cousins Frederick William II of Prussia Prince Albert of Prussia Princess Marie of Saxe-Altenburg 9 April 1873 1873 Second cousins once removed Frederick William II of Prussia Albert, 8th Prince of Thurn and Taxis Archduchess Margarethe Klementine of Austria 15 July 1890 1890 Fourth cousins Charles Alexander, Duke of Württemberg Albert I of Belgium Elisabeth of Bavaria, Queen of Belgium 2 October 1900 1900 Third cousins (though Charles Louis, Hereditary Prince of Baden); Fourth cousins (through Charles III of Spain) Charles Louis, Hereditary Prince of Baden; Charles III of Spain Albert V, Duke of Bavaria Archduchess Anna of Austria July 4, 1546 1546 Second cousins once removed Frederick III, Holy Roman Emperor Albert VII, Archduke of Austria Isabella Clara Eugenia 18 April 1599 1599 First cousins Charles V, Holy Roman Emperor Albert, Duke of Prussia Dorothea of Denmark, Duchess of Prussia

(first wife) 12 February 1526 1526 Second cousins once removed; third cousins Frederick I, Elector of Brandenburg; Frederick I, Elector of Saxony Albert, Duke of Prussia Anna Marie of Brunswick-Lüneburg

(second wife) 1550 1550 Half-first cousins twice removed Albrecht III Achilles, Elector of Brandenburg Albert Casimir, Duke of Teschen Maria Christina, Duchess of Teschen 8 April 1766 1766 Second cousins Leopold I, Holy Roman Emperor Albrecht, Duke of Bavaria Countess Maria Draskovich of Trakostjan 3 September 1930 1930 Fourth cousins once removed Leopold II, Holy Roman Emperor Albrecht, Duke of Württemberg Archduchess Margarete Sophie of Austria 24 January 1893 1893 Half-second cousins once removed Maximilian I Joseph of Bavaria Alexander I of Scotland Sybilla of Normandy 1107 1107 Sixth cousins Hugh II, Count of Nordgau Alexander I of Russia Louise of Baden 28 September 1793 1793 Fourth cousins Albert II, Margrave of Brandenburg-Ansbach Alexander II of Russia Marie of Hesse and by Rhine 16 April 1841 1841 Second cousins once removed Louis IX, Landgrave of Hesse-Darmstadt Alexander II of Scotland Joan of England, Queen of Scotland

(first wife) 21 June 1221 1221 Third cousins Henry I of England Alexander II of Scotland Marie de Coucy

(second wife) 15 May 1239 1239 Third cousins once removed Hugh, Count of Vermandois Alexander III of Scotland Margaret of England

(first wife) 26 December 1251 1251 Fourth cousins Henry I of England Alexander III of Scotland Yolande of Dreux, Queen of Scotland

(second wife) 15 October 1285 1285 Fourth cousins once removed Robert I, Count of Dreux Alexander III of Russia Dagmar of Denmark 9 November 1866 1866 Half-fifth cousins Adolphus Frederick II, Duke of Mecklenburg-Strelitz Prince Alexander of Teck Princess Alice of Albany St George's Chapel, Windsor, 10 February 1904 1904 Second cousins once removed George III of the United Kingdom Alexander, Crown Prince of Yugoslavia Princess Maria da Glória, Duchess of Segorbe 1 July 1972 1972 Fifth cousins once removed Francis, Duke of Saxe-Coburg-Saalfeld Alexander, Margrave of Meissen Princess Gisela of Bavaria 3 April 1987 1987 Half-fourth cousins Leopold II, Grand Duke of Tuscany Duke Alexander of Württemberg Princess Marie of Orléans 18 October 1837 1837 Fourth cousins Louis Rudolph, Duke of Brunswick-Lüneburg Alexander Farnese, Duke of Parma Infanta Maria of Guimarães November 11, 1565 1565 Second cousins once removed Ferdinand II of Aragon and Isabella I of Castile Alexander Karl, Duke of Anhalt-Bernburg Princess Friederike of Schleswig-Holstein-Sonderburg-Glücksburg 30 October 1834 1834 Second cousins Frederick II, Landgrave of Hesse-Kassel Grand Duke Alexander Mikhailovich of Russia Grand Duchess Xenia Alexandrovna of Russia 6 August 1894 1894 First cousins once removed Nicholas I of Russia Duke Alexander Petrovich of Oldenburg Princess Eugenia Maximilianovna of Leuchtenberg 19 January 1868 1868 Second cousins Paul I of Russia Alexis, Landgrave of Hesse-Philippsthal-Barchfeld Princess Louise of Prussia 27 June 1854 1854 Fifth cousins twice removed Augustus the Younger, Duke of Brunswick-Lüneburg Alexis, Prince of Bentheim and Steinfurt Princess Pauline of Waldeck and Pyrmont 7 May 1881 1881 Fifth cousins thrice removed Ernest I, Duke of Saxe-Gotha Prince Alfons of Bavaria Louise d'Orléans 15 April 1891 1891 Second cousins Maximilian I Joseph of Bavaria Alfonso the Battler Urraca of León 1109 1109 Half-second cousins Sancho III of Pamplona Alfonso II d'Este, Duke of Ferrara Archduchess Barbara of Austria

(second wife) 5 December 1565 1565 Third cousins Gaston IV, Count of Foix and Eleanor of Navarre Alfonso II d'Este, Duke of Ferrara Margherita Gonzaga, Duchess of Ferrara

(third wife) 24 February 1579 1579 Third cousins once removed Gaston IV, Count of Foix and Eleanor of Navarre Alfonso IV of Aragon Eleanor of Castile 5 February 1329 1329 First cousins once removed Peter III of Aragon Alfonso V of Aragon Maria of Castile, Queen of Aragon 12 June 1415 1415 First cousins John I of Castile Alfonso VIII of Castile Eleanor of England, Queen of Castile 17 September 1177 1177 Fourth cousins Robert I, Duke of Burgundy Alfonso IX of León Theresa of Portugal, Queen of León

(first wife) 15 February 1191 1191 First cousins Afonso I of Portugal Alfonso IX of León Berengaria of Castile

(second wife) 17 December 1197 1197 First cousins once removed Alfonso VII of León Alfonso X of Castile Violant of Aragon January 1249 1249 Third cousins Alfonso VII of León Alfonso XI of Castile Constanza Manuel

(first wife) 28 November 1325 1325 Second cousins once removed Ferdinand III of Castile Alfonso XI of Castile Maria of Portugal

(second wife) 1328 1328 Double first cousins Sancho IV of Castile; Denis of Portugal Alfonso XII of Spain Mercedes of Orléans

(first wife) Atocha, Madrid, 23 January 1878 1878 First cousins Ferdinand VII of Spain Alfonso XII of Spain Archduchess Maria Christina of Austria

(second wife) Basilica of Atocha, Madrid, 29 November 1879 1879 Third cousins Charles III of Spain Prince Alfonso, Count of Caserta Princess Maria Antonietta of Bourbon-Two Sicilies 8 June 1868 1868 First cousins Francis I of the Two Sicilies Infante Alfonso, Duke of Calabria Princess Alicia of Bourbon-Parma 16 April 1936 1936 Double second cousins Ferdinand II of the Two Sicilies; Archduke Karl Ferdinand of Austria Infante Alfonso Carlos, Duke of San Jaime Infanta Maria das Neves of Portugal 26 April 1871 1871 First cousins once removed John VI of Portugal Alfred, Duke of Saxe-Coburg and Gotha Grand Duchess Maria Alexandrovna of Russia Winter Palace, St. Petersburg, 23 January 1874 1874 Third cousins once removed Duke Charles Louis Frederick of Mecklenburg Prince Alfred of Liechtenstein Princess Henriette of Liechtenstein 26 April 1865 1865 First cousins Johann I Joseph, Prince of Liechtenstein Alois, Hereditary Prince of Liechtenstein Duchess Sophie in Bavaria St. Florin's, Vaduz, 3 July 1993 1993 Fifth cousins once removed Maximilian I Joseph of Bavaria Alois-Konstantin, 9th Prince of Löwenstein-Wertheim-Rosenberg Princess Anastasia of Prussia 8 October 1965 1965 Fourth cousins once removed Karl Ludwig, Prince of Hohenlohe-Langenburg Prince Amedeo, Duke of Aosta Princess Anne of Orléans 5 November 1927 1927 First cousins Prince Philippe, Count of Paris Prince Amedeo, Duke of Aosta Princess Claude of Orléans 22 July 1964 1964 Second cousins Prince Philippe, Count of Paris Prince Amedeo of Belgium, Archduke of Austria-Este Nob. Elisabetta Maria Rosboch von Wolkenstein 5 July 2014 2014 Distant cousins Giuseppe Tiberio Ruffo, Count of Sinopoli; Franz Albrecht I, Prince of Oettingen-Spielberg Amadeus VIII, Duke of Savoy Mary of Burgundy, Duchess of Savoy 30 October 1393 1393 First cousins once removed John II of France Amadeus IX, Duke of Savoy Yolande of Valois 1452 1452 Third cousins John II of France Andreas, Prince of Leiningen Princess Alexandra of Hanover 5 October 1981 1981 Double fourth cousins Queen Victoria; Joseph, Duke of Saxe-Altenburg Prince Andrew of Greece and Denmark Princess Alice of Battenberg 6 October 1903 1903 Fourth cousins Frederick William II of Prussia Prince Andrew of Yugoslavia Princess Christina Margarethe of Hesse

(first wife) 2 August 1956 1956 Third cousins; third cousins once removed Queen Victoria Prince Andrew of Yugoslavia Princess Kira of Leiningen

(second wife) 18 September 1963 1963 Second cousins Alfred, Duke of Saxe-Coburg and Gotha Anne, Queen of Great Britain Prince George of Denmark 28 July 1683 1683 Second cousins once removed Frederick II of Denmark Anne of York, Duchess of Exeter Henry Holland, 3rd Duke of Exeter 30 July 1447 1447 Half-second cousins John of Gaunt Anthony of Saxony Princess Maria Carolina of Savoy

(first wife) 29 September 1781 1781 Fourth cousins Victor Amadeus I, Duke of Savoy Anthony of Saxony Maria Theresa of Austria

(second wife) 8 September 1787 1787 First cousins once removed Augustus III of Poland Duke Anthony Ulrich of Brunswick Grand Duchess Anna Leopoldovna of Russia 3 July 1739 1739 Third cousins once removed Johann VII, Duke of Mecklenburg Antoine, Duke of Lorraine Renée of Bourbon 26 June 1515 1515 Third cousins John I, Duke of Bourbon Antoine, Duke of Montpensier Infanta Luisa Fernanda, Duchess of Montpensier 10 October 1846 1846 First cousins once removed Ferdinand I of the Two Sicilies Prince Antoine of Bourbon-Two Sicilies Duchess Elisabeth of Württemberg 8 July 1958 1958 First cousins once removed Prince Alfonso, Count of Caserta Archduke Anton of Austria Princess Ileana of Romania 26 July 1931 1931 Fourth cousins John VI of Portugal Anton-Günther, Duke of Oldenburg Princess Ameli of Löwenstein-Wertheim-Freudenberg 7 August 1951 1951 Fifth cousins once removed Frederick II, Landgrave of Hesse-Kassel Anton Ulrich, Duke of Saxe-Meiningen Princess Charlotte Amalie of Hesse-Philippsthal 26 September 1750 1750 Second cousins twice removed Johann II, Duke of Saxe-Weimar Infante Antonio, Duke of Galliera Infanta Eulalia of Spain 6 March 1886 1886 First cousins Ferdinand VII of Spain Prince Antônio of Orléans-Braganza Princess Christine de Ligne 25 September 1981 1981 Fourth cousins once removed John VI of Portugal Antonio Farnese, Duke of Parma Enrichetta d'Este 5 February 1728 1728 First cousins Francesco I d'Este, Duke of Modena Infante Antonio Pascual of Spain Infanta María Amalia of Spain 25 August 1795 1795 First cousins once removed[70] Philip V of Spain Prince Aribert of Anhalt Princess Marie Louise of Schleswig-Holstein 6 July 1891 1891 Fourth cousins Duke Charles Louis Frederick of Mecklenburg Arthur II, Duke of Brittany Marie, Viscountess of Limoges

(first wife) 1275 1275 Third cousins Robert II, Count of Dreux Arthur II, Duke of Brittany Yolande of Dreux, Queen of Scotland

(second wife) May 1294 1294 Third cousins Robert II, Count of Dreux Arthur, Prince of Wales Catherine of Aragon 14 November 1501 1501 Third cousins once removed (through John of Gaunt, 1st Duke of Lancaster);

Double fourth cousins (through Peter of Castile) John of Gaunt, 1st Duke of Lancaster; Peter of Castile Prince Arthur, Duke of Connaught and Strathearn Princess Louise Margaret of Prussia St. George's Chapel, Windsor Castle, 13 March 1879 1879 Third cousins once removed Duke Charles Louis Frederick of Mecklenburg Prince Arthur of Connaught Princess Alexandra, Duchess of Fife Chapel Royal, St. James's Palace, 15 October 1913 1913 First cousins once removed Queen Victoria Prince August, Duke of Dalarna Princess Therese of Saxe-Altenburg 16 April 1864 1864 Third cousins Prince George William of Hesse-Darmstadt Prince August of Saxe-Coburg and Gotha Princess Clémentine of Orléans 20 April 1843 1843 Fourth cousins Louis Rudolph, Duke of Brunswick-Lüneburg Prince August Leopold of Saxe-Coburg and Gotha Archduchess Karoline Marie of Austria 30 May 1894 1894 Second cousins Francis I of the Two Sicilies Prince August Wilhelm of Prussia Princess Alexandra Victoria of Schleswig-Holstein-Sonderburg-Glücksburg 22 October 1908 1908 First cousins Frederick VIII, Duke of Schleswig-Holstein Augustus, Duke of Saxe-Gotha-Altenburg Duchess Louise Charlotte of Mecklenburg-Schwerin

(first wife) 21 October 1797 1797 Second cousins Frederick II, Duke of Saxe-Gotha-Altenburg Augustus, Duke of Saxe-Gotha-Altenburg Princess Karoline Amalie of Hesse-Kassel

(second wife) 24 April 1802 1802 Fourth cousins John George I, Duke of Saxe-Eisenach Augustus, Grand Duke of Oldenburg Princess Adelheid of Anhalt-Bernburg-Schaumburg-Hoym

(first wife) 24 July 1817 1817 Fourth cousins George I of Great Britain Augustus, Grand Duke of Oldenburg Princess Ida of Anhalt-Bernburg-Schaumburg-Hoym

(second wife) 24 June 1825 1825 Fourth cousins George I of Great Britain Augustus, Grand Duke of Oldenburg Princess Cecilia of Sweden

(third wife) 5 May 1831 1831 Second cousins once removed Christian August of Holstein-Gottorp, Prince of Eutin Augustus, Elector of Saxony Anne of Denmark, Electress of Saxony 7 October 1548 1548 Second cousins once removed Eric II, Duke of Pomerania Augustus II the Strong Christiane Eberhardine of Brandenburg-Bayreuth 20 January 1693 1693 Second cousins Christian, Margrave of Brandenburg-Bayreuth Augustus III of Poland Maria Josepha of Austria 20 August 1719 1719 Second cousins once removed George, Duke of Brunswick-Lüneburg Prince Augustus Ferdinand of Prussia Margravine Elisabeth Louise of Brandenburg-Schwedt 27 September 1755 1755 Second cousins[70] Frederick William, Elector of Brandenburg Prince Augustus William of Prussia Duchess Luise of Brunswick-Wolfenbüttel 6 January 1742 1742 Fourth cousins once removed Ernest I, Duke of Brunswick-Lüneburg Prince Axel of Denmark Princess Margaretha of Sweden 22 May 1919 1919 First cousins once removed Christian IX of Denmark Prince Benedetto, Duke of Chablais Maria Anna of Savoy, Duchess of Chablais 19 March 1775 1775 Second cousins once removed[69] Philippe I, Duke of Orléans Bernhard II, Duke of Saxe-Meiningen Princess Marie Frederica of Hesse-Kassel 23 March 1825 1825 Third cousins once removed Louis Crato, Count of Nassau-Saarbrücken Bernhard III, Duke of Saxe-Meiningen Princess Charlotte of Prussia 18 February 1878 1878 Second cousins Frederick William III of Prussia Prince Bernhard of Saxe-Weimar-Eisenach Princess Ida of Saxe-Meiningen 30 May 1816 1816 Fourth cousins once removed William, Duke of Saxe-Weimar Berthold, Margrave of Baden Princess Theodora of Greece and Denmark 17 August 1931 1931 Second cousins Christian IX of Denmark Boris III of Bulgaria Giovanna of Italy 25 October 1930 1930 Fourth cousins once removed Francis I, Holy Roman Emperor and Maria Theresa Caligula Lollia Paulina 38 38 Second cousins once removed Drusus Claudius Nero I Prince Carl, Duke of Västergötland Princess Ingeborg of Denmark 27 August 1897 1897 First cousins once removed Oscar I of Sweden Carl, Duke of Württemberg Princess Diane of Orléans 21 July 1960 1960 Double fourth cousins Louis Philippe I; Francis I of the Two Sicilies Archduke Carl Christian of Austria Princess Marie Astrid of Luxembourg 6 February 1982 1982 Second cousins Robert I, Duke of Parma Carol I of Romania Elisabeth of Wied 15 November 1869 1869 Fourth cousins once removed Louis VIII, Landgrave of Hesse-Darmstadt Carol II of Romania Princess Helen of Greece and Denmark Metropolitan Cathedral of Athens, 10 March 1921 1921 Second cousins Queen Victoria Carlos I of Portugal Amélie of Orléans 22 May 1886 1886 Third cousins once removed Charles IV of Spain Prince Carlos of Bourbon-Two Sicilies Mercedes, Princess of Asturias

(first wife) 4 February 1901 1901 Second cousins Archduke Charles, Duke of Teschen Prince Carlos of Bourbon-Two Sicilies Princess Louise of Orléans

(second wife) 16 November 1907 1907 Double third cousins Ferdinand I of the Two Sicilies; Charles IV of Spain Carlos, Duke of Madrid Princess Margherita of Bourbon-Parma 4 February 1867 1867 Second cousins once removed Charles IV of Spain Infante Carlos, Count of Molina Infanta Maria Francisca of Portugal

(first wife) 22 September 1816 1816 Second cousins once removed[70] Philip V of Spain Infante Carlos, Count of Molina Maria Teresa, Princess of Beira

(second wife) 20 October 1838 1838 Second cousins once removed[70] Philip V of Spain Infante Carlos, Count of Montemolin Princess Maria Carolina of Bourbon-Two Sicilies 10 July 1850 1850 First cousins Charles IV of Spain Infante Carlos, Duke of Calabria Princess Anne of Orléans 2 May 1965 1965 Fourth cousins Ferdinand VII of Spain Casimir, Margrave of Brandenburg-Bayreuth Susanna of Bavaria 25 August 1518 1518 Second cousins once removed Ernest, Duke of Austria Catherine the Great Peter III of Russia 21 August 1745 1745 Second cousins Christian Albert, Duke of Holstein-Gottorp Grand Duchess Catherine Mikhailovna of Russia Duke Georg August of Mecklenburg-Strelitz 16 February 1851 1851 First cousins twice removed Charles II, Grand Duke of Mecklenburg-Strelitz Grand Duchess Catherine Pavlovna of Russia Duke George of Oldenburg

(first husband) 3 August 1809 1809 First cousins Frederick II Eugene, Duke of Württemberg Grand Duchess Catherine Pavlovna of Russia William I of Württemberg

(second husband) Saint Petersburg, 24 January 1816 1816 First cousins Frederick II Eugene, Duke of Württemberg Princess Cécile Marita Dorothea of Hohenlohe-Langenburg (daughter of Kraft, Prince of Hohenlohe-Langenburg Count Cyril Amédée de Commarque 6 June 1998 1998 Fifth cousins Louis, Duke of Württemberg Charles the Bold, Duke of Burgundy Catherine of France

(first wife) 19 May 1440 1440 Third cousins John II of France Charles the Bold, Duke of Burgundy Isabella of Bourbon

(second wife) Lille, 30 October 1454 1454 First cousins John the Fearless, Duke of Burgundy Charles the Bold, Duke of Burgundy Margaret of York

(third wife) Damme, 3 July 1468 1468 Third cousins Edward III of England Charles I of Austria Princess Zita of Bourbon-Parma Schwarzau Castle, 21 October 1911 1911 Second cousins twice removed; fourth cousins John VI of Portugal; Charles IV of Spain Charles I of England Henrietta Maria of France St Augustine's Abbey, Canterbury, Kent, 13 June 1625 1625 Third cousins once removed Francis, Count of Vendôme Charles I of Württemberg Olga Nikolaevna of Russia 13 July 1846 1846 Second cousins Frederick II Eugene, Duke of Württemberg Charles II, Duke of Parma Princess Maria Teresa of Savoy Lucca, 5 September 1820 1820 Double second cousins Philip, Duke of Parma; Francis I, Holy Roman Emperor and Maria Theresa of Austria Charles II of England Catherine of Braganza Domus Dei, Portsmouth, Hampshire, 21 May 1662 1662 Fifth cousins; seventh cousins once removed Isabella I of Castile; Ferdinand I of Aragon Charles II of Spain Marie Louise of Orléans

(first wife) 19 November 1679 1679 First cousins once removed Philip III of Spain Charles II of Spain Maria Anna of Neuburg

(second wife) 28 August 1689 1689 Second cousins once removed William V, Duke of Bavaria Charles II, Elector Palatine Princess Wilhelmine Ernestine of Denmark 20 September 1671 1671 Second cousins once removed Frederick II of Denmark Charles II, Archduke of Austria Maria Anna of Bavaria 26 August 1571 1571 Third cousins[70] Frederick III, Holy Roman Emperor Charles II, Duke of Mantua and Montferrat Archduchess Isabella Clara of Austria 7 November 1649 1649 Second cousins twice removed Ferdinand I, Holy Roman Emperor Charles II, Grand Duke of Mecklenburg-Strelitz Landgravine Friederike of Hesse-Darmstadt

(first wife) 18 September 1768 1768 Third cousins once removed Ernest I, Duke of Saxe-Gotha Charles II, Grand Duke of Mecklenburg-Strelitz Landgravine Charlotte of Hesse-Darmstadt

(second wife) 28 September 1784 1784 Third cousins once removed Ernest I, Duke of Saxe-Gotha Charles III of Spain Maria Amalia of Saxony May 8, 1738 1738 Fourth cousins Philip III of Spain Charles III, Duke of Parma Louise Marie Thérèse d'Artois Schloss Frohsdorf, Austria, 10 November 1845 1845 Second cousins Victor Amadeus III of Sardinia Charles III William, Margrave of Baden-Durlach Magdalena Wilhelmine of Württemberg 27 June 1697 1697 First cousins once removed Frederick III, Duke of Holstein-Gottorp Charles IV of Spain Maria Luisa of Parma La Granja Palace, 4 September 1765 1765 First cousins Philip V of Spain Charles IV, Duke of Lorraine Nicole, Duchess of Lorraine 23 May 1621 1621 First cousins Charles III, Duke of Lorraine Charles V, Holy Roman Emperor Isabella of Portugal Seville, 10 March 1526 1526 First cousins Ferdinand II of Aragon and Isabella I of Castile Charles V, Duke of Lorraine Eleanor of Austria, Queen of Poland 6 February 1678 1678 Third cousins Francis I, Duke of Lorraine Charles VII of France Marie of Anjou 18 December 1422 1422 Second cousins John II of France Charles VII, Holy Roman Emperor Maria Amalia of Austria 5 October 1722 1722 Third cousins Ferdinand II, Holy Roman Emperor Charles VIII of France Anne of Brittany 6 December 1491 1491 Third cousins Charles V of France Charles IX of France Elisabeth of Austria, Queen of France 26 November 1570 1570 Fourth cousins Gaston IV, Count of Foix and Eleanor of Navarre Charles X of France Princess Maria Theresa of Savoy Palace of Versailles, 16 November 1773 1773 Double second cousins once removed Louis, Dauphin of France; Victor Amadeus II of Sardinia Charles X Gustav of Sweden Hedwig Eleonora of Holstein-Gottorp 24 October 1654 1654 Third cousins Philip I, Landgrave of Hesse Charles XI of Sweden Ulrika Eleonora of Denmark 26 September 1679 1679 Second cousins once removed Frederick II of Denmark Charles XIII of Sweden Hedvig Elisabeth Charlotte of Holstein-Gottorp 7 July 1774 1774 First cousins Christian August of Holstein-Gottorp, Prince of Eutin Charles XV of Sweden Louise of the Netherlands 19 June 1850 1850 Third cousins Prince George William of Hesse-Darmstadt Prince Charles of Hesse and by Rhine Princess Elisabeth of Prussia 22 October 1836 1836 Second cousins Louis IX, Landgrave of Hesse-Darmstadt Prince Charles of Hesse-Kassel Princess Louise of Denmark 30 August 1766 1766 First cousins George II of Great Britain Prince Charles of Prussia Princess Marie of Saxe-Weimar-Eisenach 26 May 1827 1827 Second cousins Louis IX, Landgrave of Hesse-Darmstadt Charles, Count of Angoulême Louise of Savoy 16 February 1488 1488 Third cousins once removed John II of France Charles, Duke of Aumale Marie of Lorraine 10 November 1576 1576 First cousins Claude, Duke of Guise Charles, Duke of Berry Marie Louise Elisabeth d'Orléans 6 July 1710 1710 Half-first cousins Louis XIV of France Charles, Prince of Viana Agnes of Cleves 30 September 1439 1439 Third cousins John II of France Charles, Prince of Wales Diana Spencer

(first wife) St Paul's Cathedral, 29 July 1981 1981 Seventh cousins once removed William Cavendish, 3rd Duke of Devonshire Charles, Prince of Wales Camilla Shand Parker Bowles

(second wife) 9 April 2005 2005 Ninth cousins once removed Henry Cavendish, 2nd Duke of Newcastle Charles, Prince Napoléon Princess Béatrice of Bourbon-Two Sicilies 19 December 1978 1978 Fourth cousins once removed Leopold II, Holy Roman Emperor Charles Albert of Sardinia Maria Theresa of Austria 30 September 1817 1817 Fourth cousins Leopold I, Holy Roman Emperor Charles Alexander, Grand Duke of Saxe-Weimar-Eisenach Princess Sophie of the Netherlands 8 October 1842 1842 First cousins Paul I of Russia Prince Charles Alexander of Lorraine Archduchess Maria Anna of Austria 7 January 1744 1744 Half-second cousins Ferdinand III, Holy Roman Emperor Charles Amadeus, Duke of Nemours Élisabeth de Bourbon 11 July 1643 1643 Second cousins once removed Philippe, Duke of Nemours Charles Augustus, Hereditary Grand Duke of Saxe-Weimar-Eisenach Princess Pauline of Saxe-Weimar-Eisenach 26 August 1873 1873 Second cousins Karl August, Grand Duke of Saxe-Weimar-Eisenach Charles Edward, Duke of Saxe-Coburg and Gotha Princess Victoria Adelaide of Schleswig-Holstein 11 October 1905 1905 Half-second cousins once removed Princess Victoria of Saxe-Coburg-Saalfeld Charles Emmanuel I, Duke of Savoy Infanta Catherine Michelle of Spain 1582 1582 First cousins once removed (through Francis I of France);

Second cousins (through Manuel I of Portugal) Francis I of France; Manuel I of Portugal Charles Emmanuel II, Duke of Savoy Françoise Madeleine d'Orléans

(first wife) 4 March 1663 1663 First cousins Henry IV of France Charles Emmanuel II, Duke of Savoy Marie Jeanne Baptiste of Savoy-Nemours

(second wife) 20 May 1665 1665 Half-first cousins once removed Henry IV of France Charles Emmanuel III of Sardinia Anne Christine of Sulzbach, Princess of Piedmont

(first wife) 15 March 1722 1722 Fourth cousins Frederick II of Denmark Charles Emmanuel III of Sardinia Elisabeth Therese of Lorraine

(third wife) 1 April 1737 1737 Half-first cousins Philippe I, Duke of Orléans Charles Emmanuel IV of Sardinia Marie Clotilde of France Palace of Versailles, 27 August 1775 1775 Double second cousin once removed Victor Amadeus II of Sardinia; Louis, Dauphin of France Charles Eugene, Duke of Württemberg Margravine Elisabeth Fredericka Sophie of Brandenburg-Bayreuth 26 September 1748 1748 Fourth cousins twice removed Joachim Frederick, Elector of Brandenburg Charles Felix of Sardinia Princess Maria Cristina of Naples and Sicily Palermo, 6 April 1807 1807 First cousins once removed Philip V of Spain Charles Ferdinand, Duke of Berry Marie-Caroline de Bourbon-Sicile, duchesse de Berry 24 April 1816 1816 Second cousins once removed Philip V of Spain Charles Frederick, Grand Duke of Saxe-Weimar-Eisenach Grand Duchess Maria Pavlovna of Russia 3 August 1804 1804 Third cousins Frederick William I of Prussia Charles Frederick, Grand Duke of Baden Landgravine Caroline Louise of Hesse-Darmstadt January 28, 1751 1751 Half-second cousins once removed Louis VI, Landgrave of Hesse-Darmstadt Charles Gonthier, Prince of Schwarzburg-Sondershausen Princess Marie Gasparine of Saxe-Altenburg 12 June 1869 1869 Fourth cousins Louis VIII, Landgrave of Hesse-Darmstadt Charles Louis, Hereditary Prince of Baden Princess Amalie of Hesse-Darmstadt 15 July 1775 1775 First cousins Louis VIII, Landgrave of Hesse-Darmstadt Charles Lucien Bonaparte Zénaïde Bonaparte 29 June 1822 1822 First cousins Carlo Buonaparte Prince Charles Philippe, Duke of Anjou Diana Álvares Pereira de Melo, 11th Duchess of Cadaval 21 June 2008 2008 Fifth cousins once removed Francis I of the Two Sicilies Archduke Charles Stephen of Austria Archduchess Maria Theresa of Austria 28 February 1886 1886 Second cousins once removed Leopold II, Holy Roman Emperor Charles Theodore, Elector of Bavaria Countess Palatine Elisabeth Auguste of Sulzbach 17 January 1742 1742 First cousins Theodore Eustace, Count Palatine of Sulzbach Charles William Ferdinand, Duke of Brunswick-Wolfenbüttel Princess Augusta of Great Britain 16 January 1764 1764 Second cousins George I of Great Britain Charles William Frederick, Margrave of Brandenburg-Ansbach Princess Friederike Luise of Prussia 30 May 1729 1729 Fourth cousins twice removed John George, Elector of Brandenburg Charlotte, Grand Duchess of Luxembourg Prince Felix of Bourbon-Parma 6 November 1919 1919 First cousins Miguel of Portugal Christian II of Denmark Isabella of Austria 11 July 1514 1514 Third cousins Ernest, Duke of Austria Christian II, Elector of Saxony Hedwig of Denmark 12 September 1602 1602 First cousins once removed Christian III of Denmark Christian III of Denmark Dorothea of Saxe-Lauenburg 29 October 1525 1525 Double third cousins Frederick I, Elector of Brandenburg; Frederick I, Elector of Saxony Christian IV of Denmark Anne Catherine of Brandenburg 27 November 1597 1597 Second cousins once removed Joachim I Nestor, Elector of Brandenburg Christian V of Denmark Charlotte Amalie of Hesse-Kassel 25 June 1667 1667 Second cousins once removed Joachim Frederick, Elector of Brandenburg Christian VI of Denmark Sophie Magdalene of Brandenburg-Kulmbach 7 August 1721 1721 Fourth cousins once removed Christian III of Denmark Christian VII of Denmark Princess Caroline Matilda of Wales Christiansborg Palace, Copenhagen, 8 November 1766 1766 First cousins George II of Great Britain Christian VIII of Denmark Duchess Charlotte Frederica of Mecklenburg-Schwerin

(first wife) Ludwigslust, 21 June 1806 1806 First cousins Ludwig, Duke of Mecklenburg-Schwerin Christian VIII of Denmark Caroline Amalie of Augustenburg

(second wife) 22 May 1815 1815 First cousin once removed Frederick V of Denmark Christian IX of Denmark Louise of Hesse-Kassel Amalienborg Palace, Copenhagen, 26 May 1842 1842 Double second cousins Frederick II, Landgrave of Hesse-Kassel and Princess Mary of Great Britain; Frederick V of Denmark Christian X of Denmark Alexandrine of Mecklenburg-Schwerin 26 April 1898 1898 Third cousins Frederick William III of Prussia Christian, Prince-Elect of Denmark Magdalene Sibylle of Saxony 5 October 1634 1634 Second cousins once removed Christian III of Denmark Prince Christian of Schaumburg-Lippe Princess Feodora of Denmark 9 September 1937 1937 First cousins Frederick VIII of Denmark Prince Christian of Schleswig-Holstein Princess Helena of the United Kingdom 5 July 1866 1866 Third cousins Frederick, Prince of Wales Christian Albrecht, Prince of Hohenlohe-Langenburg Caroline of Stolberg-Gedern 13 April 1761 1761 First cousins Louis Crato, Count of Nassau-Saarbrücken Christian Albert, Duke of Holstein-Gottorp Princess Frederica Amalia of Denmark 24 October 1667 1667 Double third cousins Christian III of Denmark; John George, Elector of Brandenburg Christian August II, Duke of Schleswig-Holstein-Sonderburg-Augustenburg Countess Louise Sophie of Danneskiold-Samsøe 18 September 1820 1820 Third cousins Christian Gyldenløve Christian Ernst, Margrave of Brandenburg-Bayreuth Erdmuthe Sophie of Saxony

(first wife) 29 October 1662 1662 First cousins Christian, Margrave of Brandenburg-Bayreuth Christian Ernst, Margrave of Brandenburg-Bayreuth Sofie Louise of Württemberg

(second wife) 8 February 1671 1671 Second cousins once removed John George, Elector of Brandenburg Christian Louis, Duke of Brunswick-Lüneburg Sophia Dorothea of Schleswig-Holstein-Sonderburg-Glücksburg October 9, 1653 1653 Second cousins Christian III of Denmark Duke Christian Louis of Mecklenburg Princess Barbara of Prussia 5 July 1954 1954 Fourth cousins Frederick Louis, Hereditary Grand Duke of Mecklenburg-Schwerin Christian Ludwig II, Duke of Mecklenburg-Schwerin Duchess Gustave Caroline of Mecklenburg-Strelitz 13 November 1714 1714 Half-first cousins Adolf Frederick I, Duke of Mecklenburg Christopher of Bavaria Dorothea of Brandenburg 12 September 1445 1445 Third cousins Frederick II, Margrave of Meissen Prince Christopher of Greece and Denmark Princess Françoise of Orléans 11 February 1929 1929 Fourth cousins once removed Duke Louis of Mecklenburg-Schwerin Christopher, Duke of Mecklenburg Dorothea of Denmark, Duchess of Mecklenburg 27 October 1573 1573 First cousins twice removed Christian I of Denmark Claude, Duke of Guise Antoinette de Bourbon 9 June 1513 1513 Fifth cousins once removed Louis I, Duke of Bourbon Claudia Antonia Faustus Cornelius Sulla Felix

(second husband) AD 47 0047 Second cousins Mark Antony Claudius, Emperor of Rome Valeria Messalina

(third wife) Rome, AD 37 or AD 38 0038 First cousins once removed Mark Antony and Octavia Minor Claudius, Emperor of Rome Agrippina the Younger

(fourth wife) 49 49 Second cousins once removed[70] Gaius Octavius and Atia Balba Caesonia Constantine I of Greece Sophia of Prussia 27 October 1889 1889 Second cousins once removed (through Frederick William III of Prussia); third cousins (through Paul I of Russia) Frederick William III of Prussia; Paul I of Russia Constantine II of Greece Princess Anne-Marie of Denmark Athens, 18 September 1964 1964 Double third cousins Christian IX of Denmark; Queen Victoria Cosimo II de' Medici, Grand Duke of Tuscany Archduchess Maria Maddalena of Austria 1608 1608 Second cousins twice removed Philip I of Castile and Joanna of Castile Cosimo III de' Medici, Grand Duke of Tuscany Marguerite Louise d'Orléans 12 June 1661 1661 Second cousins Francesco I de' Medici, Grand Duke of Tuscany David II of Scotland Joan of the Tower 17 July 1328 1328 Sixth cousins Henry I of England Denis of Portugal Elizabeth of Aragon 1288 1288 Third cousins once removed Ramon Berenguer IV, Count of Barcelona and Petronilla of Aragon Denis, Lord of Cifuentes Joan of Castile, Lady of Cifuentes 1372 1372 Second cousins once removed Sancho IV of Castile Dominik Rainer Radziwiłł Princess Eugénie of Greece and Denmark 30 May 1938 1938 Fourth cousins Louis, Duke of Württemberg Countess Palatine Dorothea Sophie of Neuburg Odoardo Farnese, Hereditary Prince of Parma

(first husband) 17 September 1690 1690 Third cousins once removed Albert V, Duke of Bavaria Countess Palatine Dorothea Sophie of Neuburg Francesco Farnese, Duke of Parma

(second husband) 7 December 1696 1696 Third cousins once removed Albert V, Duke of Bavaria Drusus Caesar Aemilia Lepida 0036 Third cousins Scribonia Drusus Julius Caesar Livilla AD 4 0004 First cousins Tiberius Claudius Nero Duarte of Portugal, 4th Duke of Guimarães Isabel of Braganza, Duchess of Guimarães 1537 1537 First cousins once removed Ferdinand, Duke of Viseu Duarte Nuno, Duke of Braganza Maria Francisca of Orléans-Braganza, Duchess of Braganza 13 October 1942 1942 Second cousins twice removed John VI of Portugal Duncan II of Scotland Ethelreda Second cousins Crínán of Dunkeld Edmund Crouchback Blanche of Artois 29 October 1276 1276 Second cousins once removed Henry II of England Edmund of Langley, 1st Duke of York Infanta Isabella of Castile

(first wife) 1372 1372 Third cousins twice removed Ferdinand III of Castile Edmund of Langley, 1st Duke of York Joan Holland

(second wife) c. 4 November 1393 1393 Second cousins once removed Edward I of England Eduard, Duke of Anhalt Princess Louise Charlotte of Saxe-Altenburg 6 February 1895 1895 Second cousins Frederick, Duke of Saxe-Altenburg Edward, King of Portugal Eleanor of Aragon, Queen of Portugal 22 September 1428 1428 Half-first cousins once removed Peter I of Portugal Edward I of England Eleanor of Castile

(first wife) 1254 1254 Second cousins once removed Henry II Edward I of England Margaret of France

(second wife) 8 September 1299 1299 First cousins once removed Ramon Berenguer IV, Count of Provence Edward II of England Isabella of France Boulogne-sur-Mer, 25 January 1308 1308 Third cousins once removed Alfonso VIII of Castile Edward III of England Philippa of Hainault York Minister, 24 January 1328 1328 Second cousins Philip III of France Edward IV of England Elizabeth Woodville 1 May 1464 1464 Sixth cousins once removed Blanche de Brienne, Baroness Tingry Edward VII of the United Kingdom Princess Alexandra of Denmark St. George's Chapel, Windsor Castle, 10 March 1863 1863 Third cousins once removed; fourth cousins Duke Louis of Mecklenburg-Schwerin; George II of Great Britain Edward the Black Prince, Prince of Wales Joan, 4th Countess of Kent Windsor Castle, 10 October 1361 1361 First cousins once removed Edward I of England Edward of Norwich, 2nd Duke of York Beatrice of Portugal 29 August 1381 1381 Second cousins once removed Afonso IV of Portugal Edward of Westminster, Prince of Wales Anne Neville 13 December 1470 1470 Half-third cousins John of Gaunt Prince Edward, Duke of Kent and Strathearn Princess Victoria of Saxe-Coburg-Saalfeld 29 May 1818 1818 Third cousins once removed Frederick I, Duke of Saxe-Gotha-Altenburg Prince Edward, Earl of Wessex Sophie Rhys-Jones 19 June 1999 1999 11th cousins once removed Nicholas St. John Prince Eitel Friedrich of Prussia Duchess Sophia Charlotte of Oldenburg 27 February 1906 1906 Third cousins Frederick William III of Prussia Eleanor of Leicester Simon de Montfort, 6th Earl of Leicester January 1238 1238 Half-third cousins Henry I of England Elias, Duke of Parma Archduchess Maria Anna of Austria 25 May 1903 1903 Second cousins Archduke Charles, Duke of Teschen Archduchess Elisabeth Franziska of Austria Archduke Ferdinand Karl Viktor of Austria-Este

(first husband) Vienna, 4 October 1847 1847 Second cousins Francis I, Holy Roman Emperor and Maria Theresa of Austria Archduchess Elisabeth Franziska of Austria Archduke Karl Ferdinand of Austria

(second husband) Vienna, 18 April 1854 1854 First cousins Leopold II, Holy Roman Emperor Margravine Elisabeth Sophie of Brandenburg Frederick Casimir Kettler

(first husband) 29 April 1691 1691 First cousins George William, Elector of Brandenburg Margravine Elisabeth Sophie of Brandenburg Christian Ernst, Margrave of Brandenburg-Bayreuth

(second husband) 30 March 1703 1703 Second cousins twice removed John George, Elector of Brandenburg Queen Elizabeth II Prince Philip, Duke of Edinburgh Westminster Abbey, 20 November 1947 1947 Second cousins once removed (through Christian IX of Denmark);

Third cousins (through Queen Victoria) Christian IX of Denmark; Queen Victoria Princess Elizabeth of Greece and Denmark Carl Theodor, Count of Toerring-Jettenbach Fourth cousins Charles Louis, Hereditary Prince of Baden Duchess Elsa of Württemberg Prince Albert of Schaumburg-Lippe 6 May 1897 1897 First cousins once removed George William, Prince of Schaumburg-Lippe Emich, 5th Prince of Leiningen Princess Feodore of Hohenlohe-Langenburg 12 July 1894 1894 Second cousins Emich Carl, 2nd Prince of Leiningen and Princess Victoria of Saxe-Coburg-Saalfeld Emich Kyrill, Prince of Leiningen Duchess Eilika of Oldenburg 10 August 1950 1950 Half-second cousins once removed Frederick Francis II, Grand Duke of Mecklenburg-Schwerin Prince Emmanuel, Duke of Vendôme Princess Henriette of Belgium 12 February 1896 1896 Second cousins Louis Philippe I Prince Emanuele Filiberto, Duke of Aosta Princess Hélène of Orléans 25 June 1895 1895 Double fourth cousins Francis I, Holy Roman Emperor and Maria Theresa; Charles III of Spain Emmanuel Philibert, Duke of Savoy Margaret of France, Duchess of Berry 10 July 1559 1559 Half-first cousins once removed Philip II, Duke of Savoy Emmanuel Théodose de La Tour d'Auvergne Marie Armande de La Trémoille 1 February 1696 1696 Second cousins once removed Henri de La Tour d'Auvergne, Duke of Bouillon Enrichetta d'Este Leopold of Hesse-Darmstadt 23 March 1740 1740 Third cousins Louis V, Landgrave of Hesse-Darmstadt Eric II, Duke of Brunswick-Lüneburg Sidonie of Saxony

(first wife) 17 May 1545 1545 Third cousins once removed Frederick I, Elector of Brandenburg Eric II, Duke of Brunswick-Lüneburg Dorothea of Lorraine

(second wife) 26 November 1575 1575 Third cousins Christian I of Denmark Prince Erik of Bourbon-Parma (son of Prince Michel of Bourbon-Parma) Countess Lydia af Holstein-Ledreborg (daughter of Princess Marie Gabriele of Luxembourg) 8 August 1980 1980 Second cousins Robert I, Duke of Parma Ernest I, Duke of Saxe-Gotha Princess Elisabeth Sophie of Saxe-Altenburg 24 October 1636 1636 First cousins once removed Johann Wilhelm, Duke of Saxe-Weimar Ernest I, Duke of Saxe-Coburg and Gotha Princess Louise of Saxe-Gotha-Altenburg 31 July 1817 1817 Second cousins once removed Francis Josias, Duke of Saxe-Coburg-Saalfeld Ernest II, Duke of Saxe-Gotha-Altenburg Princess Charlotte of Saxe-Meiningen 21 March 1769 1769 Half-first cousins once removed Bernhard I, Duke of Saxe-Meiningen Ernest Augustus, Elector of Brunswick-Lüneburg Sophia of the Palatinate 30 September 1658 1658 Second cousins once removed Christian III of Denmark Ernest Augustus I of Hanover Frederica of Mecklenburg-Strelitz Carlton House, London, 29 August 1815 1815 First cousins Duke Charles Louis Frederick of Mecklenburg Ernest Augustus, Crown Prince of Hanover Princess Thyra of Denmark 22 December 1878 1878 Fourth cousins George II of Great Britain Ernest Augustus, Duke of Brunswick Princess Victoria Louise of Prussia 24 May 1913 1913 Third cousins once removed George III of the United Kingdom Ernest Frederick I, Duke of Saxe-Hildburghausen Countess Sophia Albertine of Erbach-Erbach 4 February 1704 1704 Second cousins William of Nassau-Hilchenbach Ernest Frederick III, Duke of Saxe-Hildburghausen Princess Ernestine of Saxe-Weimar 1 July 1758 1758 Fourth cousins Johann II, Duke of Saxe-Weimar Ernest Günther, Duke of Schleswig-Holstein-Sonderburg-Augustenburg Auguste of Schleswig-Holstein-Sonderburg-Glücksburg 15 June 1651 1651 First cousins John II, Duke of Schleswig-Holstein-Sonderburg Ernest Leopold, Landgrave of Hesse-Rotenburg Eleonore of Löwenstein-Wertheim 9 November 1704 1704 First cousins Ferdinand Karl, Count of Löwenstein-Wertheim-Rochefort Ernst I, Duke of Saxe-Altenburg Princess Agnes of Anhalt-Dessau 28 April 1853 1853 Second cousins Charles II, Grand Duke of Mecklenburg-Strelitz Ernst II, Duke of Saxe-Altenburg Princess Adelaide of Schaumburg-Lippe 17 February 1898 1898 Double fourth cousins Frederick II, Landgrave of Hesse-Kassel; Duke Louis of Mecklenburg-Schwerin Ernst II, Prince of Hohenlohe-Langenburg Princess Alexandra of Saxe-Coburg and Gotha 20 April 1896 1896 Half second cousins Princess Victoria of Saxe-Coburg-Saalfeld Ernst Frederick II, Duke of Saxe-Hildburghausen Countess Caroline of Erbach-Fürstenau 19 June 1726 1729 Second cousins George Albert I of Erbach-Breuberg Ernst Gunther, Duke of Schleswig-Holstein Princess Dorothea of Saxe-Coburg and Gotha 2 August 1898 1898 Third cousins Francis, Duke of Saxe-Coburg-Saalfeld Prince Ernst Heinrich of Saxony Princess Sophie of Luxembourg 12 April 1921 1921 Second cousins twice removed John VI of Portugal Ernst Ludwig I, Duke of Saxe-Meiningen Dorothea Marie of Saxe-Gotha-Altenburg

(first wife) 19 September 1704 1704 First cousins Ernest I, Duke of Saxe-Gotha Ernst Ludwig I, Duke of Saxe-Meiningen Margravine Elisabeth Sophie of Brandenburg

(second wife) 3 June 1714 1714 Third cousins Albert Frederick, Duke of Prussia Duke Eugen of Württemberg Princess Helene of Hohenlohe-Langenburg 11 September 1827 1827 Third cousins Louis Crato, Count of Nassau-Saarbrücken Duke Eugen of Württemberg Princess Mathilde of Schaumburg-Lippe 15 July 1843 1843 First cousins George I, Prince of Waldeck and Pyrmont Duke Eugen of Württemberg Grand Duchess Vera Constantinovna of Russia 4 May 1874 1874 Third cousins Frederick II Eugene, Duke of Württemberg Prince Eugenio, Duke of Genoa Princess Lucia of Bourbon-Two Sicilies 29 October 1938 1938 Second cousins once removed Ludwig I of Bavaria Princess Eulalia of Thurn and Taxis Prince Philipp Ernst of Thurn and Taxis 8 September 1929 1929 Fourth cousins once removed Alexander Ferdinand, 3rd Prince of Thurn and Taxis Eustace IV, Count of Boulogne Constance of France, Countess of Toulouse 1140 1140 Third cousins once removed Robert II of France Prince Feodor Alexandrovich of Russia Irina Paley 21 May 1923 1923 First cousins once removed Alexander II of Russia Ferdinand I of Austria Princess Maria Anna of Savoy Vienna, 27 February 1831 1831 Second cousins Francis I, Holy Roman Emperor and Maria Theresa of Austria Ferdinand I of Bulgaria Princess Marie Louise of Bourbon-Parma 20 April 1893 1893 Second cousins once removed Ferdinand I of the Two Sicilies Ferdinand I of Portugal Leonor Teles 5 May 1372 1372 Fifth cousins Sancho I of Portugal Ferdinand I of Romania Princess Marie of Edinburgh 10 January 1893 1893 Third cousins Francis, Duke of Saxe-Coburg-Saalfeld Ferdinand I of Naples Joanna of Aragon, Queen of Naples 14 September 1477 1477 First cousins Ferdinand I of Aragon Ferdinand I of the Two Sicilies Maria Carolina of Austria 7 April 1768 1768 Second cousins once removed Leopold I, Holy Roman Emperor Ferdinand I, Holy Roman Emperor Anne of Bohemia and Hungary 26 May 1521 1521 Half-second cousins once removed John II of Aragon Ferdinand II of León Urraca of Portugal

(first wife) May or June 1165 1165 Half-second cousins Alfonso VI of León and Castile Ferdinand II of León Teresa Fernández de Traba

(second wife) 7 October 1178 1178 Half-first cousins Alfonso VI of León and Castile Ferdinand II of the Two Sicilies Princess Maria Cristina of Savoy

(first wife) Cagliari, 21 November 1832 1832 Second cousins Francis I, Holy Roman Emperor and Maria Theresa of Austria Ferdinand II of the Two Sicilies Archduchess Maria Theresa of Austria

(second wife) Vienna, 9 January 1837 1837 Double second cousins Charles III of Spain; Francis I, Holy Roman Emperor and Maria Theresa of Austria Ferdinand II, Holy Roman Emperor Maria Anna of Bavaria

(first wife) 23 April 1600 1600 First cousins Albert V, Duke of Bavaria Ferdinand II, Holy Roman Emperor Eleonora Gonzaga

(second wife) 2 February 1622 1622 First cousins once removed Ferdinand I, Holy Roman Emperor Ferdinand II, Archduke of Austria Anna Juliana Gonzaga 14 May 1582 1582 Half-fourth cousins twice removed[70] Ferdinand I of Aragon Ferdinand III, Holy Roman Emperor Maria Anna of Spain

(first wife) 20 February 1631 1631 First cousins Charles II, Archduke of Austria Ferdinand III, Holy Roman Emperor Maria Leopoldine of Austria

(second wife) 2 July 1648 1648 First cousins Charles II, Archduke of Austria Ferdinand III, Holy Roman Emperor Eleonora Gonzaga

(third wife) 30 April 1651 1651 Second cousins twice removed Ferdinand I, Holy Roman Emperor Ferdinand III, Grand Duke of Tuscany Princess Luisa of Naples and Sicily

(first wife) Florence, 15 August 1790 1790 Double first cousins Francis I, Holy Roman Emperor and Maria Theresa of Austria;

Charles III of Spain and Maria Amalia of Saxony Ferdinand III, Grand Duke of Tuscany Princess Maria Ferdinanda of Saxony

(second wife) 6 May 1821 1821 First cousins once removed Francis I, Holy Roman Emperor and Maria Theresa of Austria Ferdinand IV, Grand Duke of Tuscany Princess Anna of Saxony

(first wife) 24 November 1856 1856 Double third cousins Francis I, Holy Roman Emperor and Maria Theresa of Austria; Philip, Duke of Parma Ferdinand IV, Grand Duke of Tuscany Princess Alice of Parma

(second wife) 11 January 1868 1868 Half-first cousins once removed Francis I of the Two Sicilies Ferdinand IV of Castile Constance of Portugal 23 January 1302 1302 Half-first cousins once removed Alfonso X of Castile Ferdinand VI of Spain Barbara of Portugal 1729 1729 Third cousins once removed Philip III of Spain Ferdinand VII of Spain Princess Maria Antonia of Naples and Sicily

(first wife) 6 October 1802 1802 First cousins Charles III of Spain Ferdinand VII of Spain Maria Isabel of Portugal

(second wife) 29 September 1816 1816 Second cousins once removed[70] Philip V of Spain Ferdinand VII of Spain Maria Josepha Amalia of Saxony

(third wife) 20 October 1819 1819 First cousins once removed Philip, Duke of Parma Ferdinand VII of Spain Maria Christina of the Two Sicilies

(fourth wife) 11 December 1829 1829 First cousins once removed[70] Charles III of Spain Ferdinand, Duke of Parma Archduchess Maria Amalia of Austria 19 July 1769 1769 Third cousins once removed Louis XIII of France Ferdinand, Hereditary Prince of Denmark Princess Caroline of Denmark 1 August 1829 1829 Half-first cousins once removed Frederick V of Denmark Prince Ferdinand of Bavaria Infanta Maria Teresa of Spain 12 January 1906 1906 First cousins Isabel II of Spain Ferdinand, Duke of Breisgau Maria Beatrice d'Este, Duchess of Massa 5 October 1771 1771 Second cousins once removed Philippe I, Duke of Orléans Ferdinand, Duke of Viseu Beatrice, Duchess of Viseu 1447 1447 First cousins John I of Portugal Ferdinand Albert II, Duke of Brunswick-Wolfenbüttel Princess Antoinette of Brunswick-Wolfenbüttel 15 October 1712 1712 First cousins once removed Augustus the Younger, Duke of Brunswick-Lüneburg Ferdinand Charles, Archduke of Austria Anna de' Medici, Archduchess of Austria 10 June 1646 1646 Double first cousins Charles II, Archduke of Austria; Ferdinando I de' Medici, Grand Duke of Tuscany Prince Ferdinand Pius, Duke of Calabria Princess Maria Ludwiga Theresia of Bavaria 31 May 1897 1897 Second cousins Leopold II, Grand Duke of Tuscany Prince Ferdinando, Duke of Genoa Princess Elisabeth of Saxony 22 April 1850 1850 Double third cousins Augustus III of Poland; Francis I, Holy Roman Emperor and Maria Theresa Ferdinando Gonzaga, Duke of Mantua Catherine de' Medici, Governor of Siena February 16, 1617 1617 First cousins once removed Cosimo I de' Medici, Grand Duke of Tuscany Ferdinando Carlo Gonzaga, Duke of Mantua and Montferrat Anna Isabella Gonzaga

(first wife) 1671 1671 Second cousins once removed; third cousins Charles Emmanuel I, Duke of Savoy; Cosimo I de' Medici, Grand Duke of Tuscany Ferdinando Carlo Gonzaga, Duke of Mantua and Montferrat Suzanne Henriette of Lorraine

(second wife) 8 November 1704 1704 Fifth cousins once removed René II, Duke of Lorraine Ferdinando de' Medici, Grand Prince of Tuscany Duchess Violante Beatrice of Bavaria 9 January 1689 1689 Third cousins Charles II, Archduke of Austria Ferdinando II de' Medici, Grand Duke of Tuscany Vittoria della Rovere 26 September 1633 1633 First cousins Ferdinando I de' Medici, Grand Duke of Tuscany Fernando II, Duke of Braganza Isabella of Viseu 1472 1472 Half-second cousins John I of Portugal Francesco I d'Este, Duke of Modena Maria Caterina Farnese

(first wife) 11 January 1631 1631 Third cousins Charles V, Holy Roman Emperor Francesco I d'Este, Duke of Modena Vittoria Farnese d'Este

(second wife) 12 February 1648 1648 Third cousins Charles V, Holy Roman Emperor Francesco II d'Este, Duke of Modena Margherita Maria Farnese 14 July 1692 1692 First cousins Francesco I d'Este, Duke of Modena Francesco III d'Este, Duke of Modena Charlotte Aglaé d'Orléans 11 February 1720 1720 Third cousins Frederick V, Elector Palatine Francesco IV Gonzaga, Duke of Mantua Margaret of Savoy, Vicereine of Portugal 19 February 1608 1608 Third cousins Philip I of Castile and Joanna of Castile Francesco Maria de' Medici, Duke of Rovere and Montefeltro Eleonora Luisa Gonzaga 14 July 1709 1709 Third cousins once removed Cosimo I de' Medici, Grand Duke of Tuscany Francis I of France Claude of France, Duchess of Brittany

(first wife) Saint-Germain-en-Laye, 18 May 1514 1514 Second cousins Louis I, Duke of Orléans Francis I of France Eleanor of Austria

(second wife) 4 July 1530 1530 Second cousins once removed Charles I, Duke of Bourbon Francis I of the Two Sicilies Archduchess Maria Clementina of Austria

(first wife) Foggia, 26 June 1797 1797 Double first cousins Francis I, Holy Roman Emperor and Maria Theresa of Austria;

Charles III of Spain and Maria Amalia of Saxony Francis I of the Two Sicilies María Isabella of Spain

(second wife) Barcelona, 6 July 1820 1820 First cousin Charles III of Spain Francis I, Holy Roman Emperor Maria Theresa of Austria 12 February 1736 1736 Half-second cousins Ferdinand III, Holy Roman Emperor Francis II, Holy Roman Emperor Princess Maria Theresa of Naples and Sicily

(second wife) 15 September 1790 1790 Double first cousins Francis I, Holy Roman Emperor and Maria Theresa of Austria;

Charles III of Spain and Maria Amalia of Saxony Francis II, Holy Roman Emperor Archduchess Maria Ludovika of Austria-Este

(third wife) 6 January 1808 1808 First cousin Francis I, Holy Roman Emperor and Maria Theresa of Austria Francis IV, Duke of Modena Maria Beatrice of Savoy 20 June 1812 1812 Third cousins once removed[70] Philippe I, Duke of Orléans Francis, Duke of Saxe-Coburg-Saalfeld Princess Sophie of Saxe-Hildburghausen 6 March 1776 1776 Third cousins once removed Ernest I, Duke of Saxe-Gotha Prince Francis, Count of Trapani Archduchess Maria Isabella of Austria 10 April 1850 1850 First cousins once removed[70] Ferdinand I of the Two Sicilies Francis, Duke of Teck Princess Mary Adelaide of Cambridge 12 June 1866 1866 Third cousins once removed George II of Great Britain Francis, Count of Vendôme Marie of Luxembourg, Countess of Vendôme 1487 1487 Second cousins once removed John I, Count of La Marche Francis Josias, Duke of Saxe-Coburg-Saalfeld Princess Anna Sophie of Schwarzburg-Rudolstadt 2 January 1723 1723 First cousins once removed Ernest I, Duke of Saxe-Gotha Infante Francisco de Paula of Spain Princess Luisa Carlotta of Naples and Sicily 12 June 1819 1819 First cousins once removed[70] Charles III of Spain François d'Orléans, Prince of Joinville Princess Francisca of Brazil 1 May 1843 1843 First cousins once removed Ferdinand I of the Two Sicilies François de Bourbon, Prince of Conti Louise Marguerite of Lorraine 24 July 1605 1605 First cousins once removed Charles, Duke of Vendôme François Louis, Prince of Conti Marie Thérèse de Bourbon 22 January 1688 1688 First cousins once removed Henri, Prince of Condé Franz, Duke of Hohenberg Princess Elisabeth of Luxembourg 9 May 1956 1956 Half-fourth cousins Francis I of the Two Sicilies Archduke Franz Ferdinand of Austria Sophie, Duchess of Hohenberg 1899 1899 First Cousins several times removed Albert IV, Count of Habsburg Franz Joseph I of Austria Duchess Elisabeth in Bavaria St. Augustine's Church, Vienna, 24 April 1854 1854 First cousins Maximilian I Joseph of Bavaria Franz Joseph II, Prince of Liechtenstein Countess Georgina von Wilczek 7 March 1943 1943 Fourth cousins once removed Joseph, 4th Prince Kinsky of Wchinitz and Tettau Franz Joseph, Prince of Hohenzollern-Emden Princess Maria Alix of Saxony 25 May 1921 1921 Second cousins Ferdinand II of Portugal and Maria II of Portugal Franz Joseph, 9th Prince of Thurn and Taxis Princess Isabel Maria of Braganza 23 November 1920 1920 Fourth cousins Charles III of Spain Archduke Franz Salvator of Austria Archduchess Marie Valerie of Austria 31 July 1890 1890 Double third cousins Leopold II, Holy Roman Emperor; Ferdinand I of the Two Sicilies Frederick I, Duke of Anhalt Princess Antoinette of Saxe-Altenburg 22 April 1854 1854 Second cousins Charles II, Grand Duke of Mecklenburg-Strelitz Frederick I, Grand Duke of Baden Princess Louise of Prussia 20 September 1856 1856 Third cousins Louis IX, Landgrave of Hesse-Darmstadt Frederick I of Denmark Anna of Brandenburg

(first wife) 10 April 1502 1502 Second cousins Frederick I, Elector of Brandenburg Frederick I of Denmark Sophie of Pomerania

(second wife) 9 October 1518 1518 Third cousins once removed Magnus II, Duke of Brunswick-Lüneburg Frederick I of Sweden Princess Luise Dorothea of Prussia

(first wife) 31 May 1700 1700 First cousins William VI, Landgrave of Hesse-Kassel Frederick I of Sweden Ulrika Eleonora, Queen of Sweden

(second wife) 24 March 1715 1715 Third cousins once removed Joachim Frederick, Elector of Brandenburg Frederick I of Württemberg Duchess Augusta of Brunswick-Wolfenbüttel

(first wife) 15 October 1780 1780 Third cousins George I of Great Britain Frederick I of Württemberg Charlotte, Princess Royal

(second wife) 18 May 1797 1797 Third cousins George I of Great Britain Frederick I of Prussia Elisabeth Henriette of Hesse-Kassel

(first wife) 1679 1679 First cousins George William, Elector of Brandenburg Frederick I of Prussia Sophia Charlotte of Hanover

(second wife) 8 October 1684 1684 Second cousins Frederick IV, Elector Palatine Frederick II of Prussia Elisabeth Christine of Brunswick-Wolfenbüttel-Bevern 12 June 1733 1733 Fourth cousins once removed Ernest I, Duke of Brunswick-Lüneburg Frederick II of Denmark Sophie of Mecklenburg-Güstrow July 20, 1572 1572 Half-first cousins Frederick I of Denmark Frederick II, Elector Palatine Dorothea of Denmark, Electress Palatine 18 May 1535 1535 Second cousins once removed Frederick II, Elector of Saxony Frederick II, Elector of Saxony Margaret of Austria, Electress of Saxony 3 June 1431 1431 Third cousins once removed Albert I of Germany Frederick II, Grand Duke of Baden Princess Hilda of Nassau 20 September 1885 1885 Third cousins Charles II, Grand Duke of Mecklenburg-Strelitz Frederick II, Duke of Saxe-Gotha-Altenburg Princess Magdalena Augusta of Anhalt-Zerbst 7 June 1696 1696 First cousins Augustus, Duke of Saxe-Weissenfels Frederick II, Landgrave of Hesse-Kassel Princess Mary of Great Britain

(first wife) 28 June 1740 1740 Fourth cousins Frederick IV, Elector Palatine Frederick II, Landgrave of Hesse-Kassel Margravine Philippine of Brandenburg-Schwedt

(second wife) 10 January 1773 1773 Fourth cousins Frederick IV, Elector Palatine Frederick II Eugene, Duke of Württemberg Margravine Friederike of Brandenburg-Schwedt 2 November 1753 1753 Fourth cousins once removed Joachim Frederick, Elector of Brandenburg Frederick III, German Emperor Victoria, Princess Royal Chapel Royal, St. James's Palace, 25 January 1858 1858 Third cousins Duke Charles Louis Frederick of Mecklenburg Frederick III of Denmark Sophie Amalie of Brunswick-Lüneburg 1 October 1643 1643 Second cousins Christian III of Denmark Frederick III, Duke of Holstein-Gottorp Duchess Marie Elisabeth of Saxony 21 February 1630 1630 Second cousins once removed Christian III of Denmark Frederick III, Duke of Saxe-Gotha-Altenburg Princess Luise Dorothea of Saxe-Meiningen 17 September 1729 1729 First cousins Frederick I, Duke of Saxe-Gotha-Altenburg Frederick IV of Denmark Louise of Mecklenburg-Güstrow 5 December 1695 1695 Third cousins Frederick II of Denmark Frederick IV, Duke of Holstein-Gottorp Hedvig Sophia of Sweden 12 May 1698 1698 First cousins (through Frederick III of Denmark); first cousins once removed (though Frederick III, Duke of Holstein-Gottorp) Frederick III of Denmark; Frederick III, Duke of Holstein-Gottorp Frederick V, Elector Palatine Elizabeth Stuart, Queen of Bohemia 14 February 1613 1613 Fourth cousins Magnus II, Duke of Mecklenburg Frederick V, Landgrave of Hesse-Homburg Landgravine Caroline of Hesse-Darmstadt 27 September 1768 1768 Fourth cousins twice removed George I, Landgrave of Hesse-Darmstadt Frederick V of Denmark Louise of Great Britain

(first wife) 11 December 1743 1743 Third cousins once removed George, Duke of Brunswick-Lüneburg Frederick V of Denmark Juliana Maria of Brunswick-Wolfenbüttel

(second wife) 8 July 1752 1752 Half-third cousins John Albert II, Duke of Mecklenburg Frederick VI of Denmark Princess Marie Sophie of Hesse-Kassel Gottorp, 31 July 1790 1790 First cousins Frederick V of Denmark Frederick VI, Landgrave of Hesse-Homburg Princess Elizabeth of the United Kingdom 7 April 1818 1818 Fourth cousins Albert II, Margrave of Brandenburg-Ansbach Frederick VII of Denmark Princess Vilhelmine Marie of Denmark

(first wife) Copenhagen, 1 November 1828 1828 Second cousins Frederick V of Denmark Frederick VII of Denmark Duchess Caroline Mariane of Mecklenburg

(second wife) 10 June 1841 1841 Third cousins once removed Adolphus Frederick II, Duke of Mecklenburg-Strelitz Frederick IX of Denmark Princess Ingrid of Sweden Stockholm, 24 May 1935 1935 Double third cousins Oscar I of Sweden; Leopold, Grand Duke of Baden Frederick the Simple Constance of Aragon, Queen of Sicily 11 April 1361 1361 Second cousins once removed Peter III of Aragon Frederick, Prince of Wales Princess Augusta of Saxe-Gotha 27 April 1736 1736 Third cousins once removed Johann II, Duke of Saxe-Weimar Prince Frederick, Duke of York and Albany Princess Frederica Charlotte of Prussia 29 September 1791 1791 Third cousins George I of Great Britain Prince Frederick of the Netherlands Princess Louise of Prussia 21 May 1825 1825 First cousins Frederick William II of Prussia Prince Frederick of Prussia Princess Luise of Anhalt-Bernburg 21 November 1817 1817 Fourth cousins once removed George I of Great Britain Prince Frederick of Schaumburg-Lippe Princess Louise of Denmark

(first wife) 5 May 1896 1896 Second cousins Prince William of Hesse-Kassel Prince Frederick of Schaumburg-Lippe Princess Antoinette of Anhalt

(second wife) 26 May 1909 1909 Second cousins Prince William of Hesse-Kassel Prince Frederick of Württemberg Princess Catherine of Württemberg 20 November 1845 1845 First cousins Frederick I of Württemberg Frederick, Duke of Württemberg-Neuenstadt Clara Augusta of Brunswick-Lüneburg 7 June 1653 1653 Fourth cousins once removed John Cicero, Elector of Brandenburg Frederick, Duke of Saxe-Altenburg Duchess Charlotte Georgine of Mecklenburg-Strelitz 3 September 1785 1785 Second cousins Ernest Frederick I, Duke of Saxe-Hildburghausen Frederick, Prince of Hohenzollern Princess Margarete Karola of Saxony 2 June 1920 1920 Second cousins Ferdinand II of Portugal and Maria II of Portugal Prince Frederick of Hohenzollern-Sigmaringen Princess Louise of Thurn and Taxis 21 June 1879 1879 Second cousins once removed Charles Louis, Hereditary Prince of Baden Frederick, Margrave of Brandenburg-Bayreuth Wilhelmine of Prussia, Margravine of Brandenburg-Bayreuth November 20, 1731 1731 Fourth cousins twice removed John George, Elector of Brandenburg Frederick Anton, Prince of Schwarzburg-Rudolstadt Princess Sophia Wilhelmina of Saxe-Coburg-Saalfeld 8 February 1720 1720 First cousins once removed Ernest I, Duke of Saxe-Gotha Frederick August I, Duke of Oldenburg Princess Ulrike Friederike Wilhelmine of Hesse-Kassel 21 November 1752 1752 Fourth cousins once removed Joachim Frederick, Elector of Brandenburg Prince Frederick Augustus of Anhalt-Dessau Princess Marie Luise Charlotte of Hesse-Kassel 11 September 1832 1832 Fifth cousins Albert II, Margrave of Brandenburg-Ansbach Frederick Augustus II, Grand Duke of Oldenburg Princess Elisabeth Anna of Prussia

(first wife) 18 February 1878 1878 Third cousins Charles II, Grand Duke of Mecklenburg-Strelitz Frederick Augustus II, Grand Duke of Oldenburg Duchess Elisabeth Alexandrine of Mecklenburg-Schwerin

(second wife) 24 October 1896 1896 Third cousins Charles II, Grand Duke of Mecklenburg-Strelitz Frederick Augustus II of Saxony Archduchess Marie Caroline of Austria 7 October 1819 1819 Second cousins Francis I, Holy Roman Emperor and Maria Theresa of Austria Frederick Augustus III of Saxony Archduchess Louise of Austria 21 November 1891 1891 Double third cousins once removed Leopold II, Holy Roman Emperor; Charles IV of Spain Prince Frederick Charles of Hesse Princess Margaret of Prussia 25 January 1893 1893 Double second cousins Frederick William III of Prussia; Charles Frederick, Grand Duke of Saxe-Weimar-Eisenach Frederick Charles, Duke of Württemberg-Winnental Eleonore Juliane of Brandenburg-Ansbach 31 October 1682 1682 Second cousins once removed John George, Elector of Brandenburg Frederick Christian, Elector of Saxony Duchess Maria Antonia of Bavaria 13 June 1747 1747 First cousins Joseph I, Holy Roman Emperor Frederick Christian II, Duke of Schleswig-Holstein-Sonderburg-Augustenburg Princess Louise Auguste of Denmark 27 May 1786 1786 Third cousins once removed Christian V of Denmark Frederick Francis I, Grand Duke of Mecklenburg-Schwerin Princess Louise of Saxe-Gotha-Altenburg 1 June 1775 1775 Third cousins Ernest I, Duke of Saxe-Gotha Frederick Francis II, Grand Duke of Mecklenburg-Schwerin Princess Anna of Hesse and by Rhine

(second wife) 4 July 1864 1864 Second cousins Frederick William II of Prussia Frederick Francis II, Grand Duke of Mecklenburg-Schwerin Princess Marie of Schwarzburg-Rudolstadt

(third wife) 4 July 1868 1868 Third cousins Louis IX, Landgrave of Hesse-Darmstadt Frederick Francis III, Grand Duke of Mecklenburg-Schwerin Grand Duchess Anastasia Mikhailovna of Russia 24 January 1879 1879 Second cousins; second cousins once removed Frederick William III of Prussia; Paul I of Russia Frederick Francis IV, Grand Duke of Mecklenburg-Schwerin Princess Alexandra of Hanover 7 June 1904 1904 Fourth cousins once removed Duke Louis of Mecklenburg-Schwerin Frederick Louis, Hereditary Grand Duke of Mecklenburg-Schwerin Princess Caroline Louise of Saxe-Weimar-Eisenach 1 July 1810 1810 Fifth cousins once removed Johann II, Duke of Saxe-Weimar Frederick William I of Prussia Princess Sophia Dorothea of Hanover 28 November 1706 1706 First cousins Ernest Augustus, Elector of Brunswick-Lüneburg and Sophia of the Palatinate Frederick William II of Prussia Elisabeth Christine of Brunswick-Wolfenbüttel Schloss Salzdahlum, 14 July 1765 1765 Double first cousins Frederick William I of Prussia and Princess Sophia Dorothea of Hanover; Ferdinand Albert II, Duke of Brunswick-Lüneburg and Duchess Antoinette of Brunswick-Wolfenbüttel Frederick William III of Prussia Louise of Mecklenburg-Strelitz 24 December 1793 1793 Second cousins Louis VIII, Landgrave of Hesse-Darmstadt Frederick William IV of Prussia Elisabeth Ludovika of Bavaria 29 November 1823 1823 Second cousins Louis IX, Landgrave of Hesse-Darmstadt Frederick William, Grand Duke of Mecklenburg-Strelitz Princess Augusta of Cambridge 28 June 1843 1843 First cousins through Prince Frederick of Hesse-Kassel; second cousins through Duke Charles Louis Frederick of Mecklenburg Prince Frederick of Hesse-Kassel; Duke Charles Louis Frederick of Mecklenburg Frederick William, Duke of Brunswick-Wolfenbüttel Princess Marie of Baden 1 November 1802 1802 Half-third cousins once removed John Frederick, Margrave of Brandenburg-Ansbach Prince Frederick William of Hesse-Kassel Grand Duchess Alexandra Nikolaevna of Russia

(first wife) 28 January 1844 1844 Half-fourth cousins Adolphus Frederick II, Duke of Mecklenburg-Strelitz Prince Frederick William of Hesse-Kassel Princess Anna of Prussia

(second wife) 26 May 1853 1853 Half-fourth cousins Adolphus Frederick II, Duke of Mecklenburg-Strelitz Prince Frederick William of Solms-Braunfels Frederica of Mecklenburg-Strelitz 10 December 1798 1798 Fourth cousins twice removed Johann VII, Duke of Mecklenburg Frederick William, Margrave of Brandenburg-Schwedt Princess Sophia Dorothea of Prussia 10 November 1734 1734 First cousins once removed Frederick William, Elector of Brandenburg Duke Friedrich of Württemberg Princess Marie of Wied 11 November 1993 1993 Sixth cousins once removed Frederick II Eugene, Duke of Württemberg Friedrich II, Duke of Anhalt Princess Marie of Baden 2 July 1889 1889 Double third cousins once removed Frederick William II of Prussia; Charles II, Grand Duke of Mecklenburg-Strelitz Friedrich, Prince of Waldeck and Pyrmont Princess Bathildis of Schaumburg-Lippe 9 August 1895 1895 Second cousins George I, Prince of Waldeck and Pyrmont Prince Friedrich of Saxe-Meiningen Countess Adelaide of Lippe-Biesterfeld 24 April 1889 1889 Second cousins once removed Karl Ludwig, Prince of Hohenlohe-Langenburg Duke Friedrich August of Oldenburg Princess Marie Cécile of Prussia 3 December 1965 1965 Fourth cousins once removed Frederick William III of Prussia Friedrich Christian, Margrave of Meissen Princess Elisabeth Helene of Thurn and Taxis 16 June 1923 1923 Third cousins Maximilian I Joseph of Bavaria Prince Friedrich Christian of Schaumburg-Lippe Princess Marie Louise of Schleswig-Holstein-Sonderburg-Glücksburg 15 October 1962 1962 Second cousins George William, Prince of Schaumburg-Lippe Friedrich Ferdinand, Duke of Schleswig-Holstein Princess Karoline Mathilde of Schleswig-Holstein-Sonderburg-Augustenburg 19 March 1885 1885 Third cousins once removed Frederick V of Denmark Prince Friedrich Ferdinand of Schleswig-Holstein-Sonderburg-Glücksburg Duchess Anastasia of Mecklenburg-Schwerin 1 September 1943 1943 Second cousins once removed Friedrich Wilhelm, Duke of Schleswig-Holstein-Sonderburg-Glücksburg Friedrich Günther, Prince of Schwarzburg Princess Sophie of Saxe-Weimar-Eisenach 7 March 1938 1938 Fifth cousins Frederick William II of Prussia Friedrich Günther, Prince of Schwarzburg-Rudolstadt Auguste of Anhalt-Dessau 15 April 1816 1816 First cousins Frederick V, Landgrave of Hesse-Homburg Friedrich Josias, Prince of Saxe-Coburg and Gotha Countess Viktoria-Luise of Solms-Baruth 25 January 1942 1942 First cousins Friedrich Ferdinand, Duke of Schleswig-Holstein Prince Friedrich Karl of Prussia Princess Maria Anna of Anhalt-Dessau 29 November 1854 1854 Second cousins Frederick William II of Prussia Prince Friedrich Sigismund of Prussia Princess Marie Louise of Schaumburg-Lippe April 27, 1916 1916 Third cousins once removed Frederick William III of Prussia Friedrich Wilhelm II, Duke of Saxe-Altenburg Magdalene Sibylle of Saxony 1 October 1652 1652 Second cousins William, Duke of Jülich-Cleves-Berg Friedrich Wilhelm, Prince of Wied Princess Guda of Waldeck and Pyrmont 9 September 1958 1958 Second cousins once removed George Victor, Prince of Waldeck and Pyrmont Friedrich Wilhelm, Prince of Hohenzollern Princess Margarita of Leiningen 5 January 1951 1951 Half-fourth cousins twice removed Charles Frederick, Grand Duke of Baden Infante Gabriel of Spain Infanta Maria Ana Vitória of Portugal 12 April 1785 1785 First cousins once removed Philip V of Spain Prince Gabriel of Bourbon-Two Sicilies Princess Malgorzata Izabella Czartoryska 25 August 1927 1927 Third cousins once removed Ferdinand I of the Two Sicilies Prince Gaetan, Count of Girgenti Isabella, Princess of Asturias 13 May 1868 1868 First cousins once removed Francis I of the Two Sicilies Gaius Caesar Livilla 1 BC 1 BC Second cousins Gaius Octavius and Atia Balba Caesonia Gaston, Duke of Orléans Marie de Bourbon, Duchess of Montpensier

(first wife) 6 August 1626 1626 Fourth cousins John VIII, Count of Vendôme Gaston, Duke of Orléans Marguerite of Lorraine

(second wife) 2–3 January 1632 1632 Third cousins once removed Philip I of Castile and Joanna of Castile Gaston, Count of Marsan Marie Louise de Rohan 4 June 1736 1736 Third cousins Charles I, Duke of Elbeuf Gaston, Count of Eu Isabel, Princess Imperial of Brazil 15 October 1864 1864 Second cousins Ferdinand I of the Two Sicilies Geoffrey II, Duke of Brittany Constance, Duchess of Brittany July 1181 1181 Half-second cousins; third cousins Henry I of England; Malcolm III of Scotland Georg, Duke of Saxe-Altenburg Duchess Marie Louise of Mecklenburg-Schwerin 7 October 1825 1825 Half-third cousins once removed Adolphus Frederick II, Duke of Mecklenburg-Strelitz Georg II, Duke of Saxe-Meiningen Princess Charlotte of Prussia

(first wife) 18 May 1850 1850 Second cousins Frederick William II of Prussia Georg II, Duke of Saxe-Meiningen Princess Feodora of Hohenlohe-Langenburg

(second wife) 23 October 1858 1858 Second cousins Christian Albrecht, Prince of Hohenlohe-Langenburg Georg, Prince of Schaumburg-Lippe Princess Marie Anne of Saxe-Altenburg 16 April 1882 1882 Fifth cousins George II of Great Britain Prince Georg of Bavaria Archduchess Isabella of Austria 10 February 1912 1912 Third cousins once removed Leopold II, Holy Roman Emperor Georg Alexander, Duke of Mecklenburg Archduchess Ilona of Austria 20 February 1946 1946 Fifth cousins once removed Frederick II Eugene, Duke of Württemberg Georg Donatus, Hereditary Grand Duke of Hesse Princess Cecilie of Greece and Denmark 2 February 1931 1931 First cousins once removed Louis IV, Grand Duke of Hesse Georg Friedrich, Prince of Prussia Princess Sophie of Isenburg Potsdam, 25 August 2011 2011 Sixth cousin once-removed Charles II, Grand Duke of Mecklenburg George Plantagenet, 1st Duke of Clarence Lady Isabel Neville Calais, France, 11 July 1469 1469 First cousins once removed Ralph de Neville, 1st Earl of Westmorland and Joan Beaufort George I of Greece Olga Constantinovna of Russia 27 October 1867 1867 Fifth cousins once removed George I of Great Britain George I of Great Britain Duchess Sophia Dorothea of Brunswick-Celle 22 November 1682 1682 First cousins George, Duke of Brunswick-Lüneburg George II of Great Britain Caroline of Ansbach 22 August 1705 1705 Third cousins once removed John George, Elector of Brandenburg George II of Greece Princess Elisabeth of Romania Bucharest, 27 February 1921 1921 Second cousins Queen Victoria George II, Landgrave of Hesse-Darmstadt Sophia Eleonore of Saxony April 1, 1627 1627 Half-first cousins once removed John George, Elector of Brandenburg George III of the United Kingdom Charlotte of Mecklenburg-Strelitz 08 Sept 1761 1761 Second cousins twice removed; third cousins Adolf Frederick I, Duke of Mecklenburg; Ernest I, Duke of Saxe-Gotha George IV of the United Kingdom Princess Caroline of Brunswick-Wolfenbüttel Chapel Royal, St. James's Palace, 8 April 1795 1795 First cousins Frederick, Prince of Wales and Princess Augusta of Saxe-Gotha-Altenburg George V of the United Kingdom Princess Mary of Teck Chapel Royal, St. James's Palace, 6 July 1893 1893 Double second cousins once removed George III of the United Kingdom; Landgrave Frederick III of Hesse-Kassel George V of Hanover Marie of Saxe-Altenburg 18 February 1843 1843 First cousins once removed Charles II, Grand Duke of Mecklenburg-Strelitz George VI of the United Kingdom Elizabeth Bowes-Lyon 26 April 1923 1923 13th cousins Henry VII of England George, King of Saxony Infanta Maria Anna of Portugal 11 May 1859 1859 Third cousins once removed Francis I, Holy Roman Emperor and Maria Theresa of Austria George, Duke of Saxony Barbara Jagiellon 21 November 1496 1496 Second cousins twice removed Algirdas George, Grand Duke of Mecklenburg-Strelitz Princess Marie of Hesse-Kassel 12 August 1817 1817 Fourth cousins Albert II, Margrave of Brandenburg-Ansbach Prince George, Duke of Kent Princess Marina of Greece and Denmark Westminster Abbey 29 November 1934 1934 Second cousins Christian IX of Denmark George Maximilianovich, 6th Duke of Leuchtenberg Duchess Therese Petrovna of Oldenburg 12 May 1879 1879 Second cousins Paul I of Russia Grand Duke George Mikhailovich of Russia Princess Maria of Greece and Denmark 30 April 1900 1900 First cousins once removed Nicholas I of Russia George Victor, Prince of Waldeck and Pyrmont Princess Helena of Nassau

(first wife) 26 September 1853 1853 Second cousins Charles Christian, Prince of Nassau-Weilburg George Victor, Prince of Waldeck and Pyrmont Princess Louise of Schleswig-Holstein-Sonderburg-Glücksburg

(second wife) 29 April 1891 1891 First cousins once removed George I, Prince of Waldeck and Pyrmont Prince George William of Hesse-Darmstadt Countess Maria Louise Albertine of Leiningen-Falkenburg-Dagsburg 16 March 1748 1748 Third cousins Christian I, Count Palatine of Birkenfeld-Bischweiler Gian Galeazzo Visconti, Duke of Milan Caterina Visconti Church of San Giovanni in Conca, 2 October 1380 1380 First cousins Stefano Visconti Gottfried, Prince of Hohenlohe-Langenburg Princess Margarita of Greece and Denmark 20 April 1931 1931 Second cousins once removed (through Queen Victoria); third cousins (through Nicholas I of Russia) Queen Victoria; Nicholas I of Russia Archduke Gottfried of Austria Princess Dorothea of Bavaria 2 August 1938 1938 Second cousins once removed Leopold II, Grand Duke of Tuscany Prince Guillaume of Luxembourg Princess Sibilla of Luxembourg 8 September 1994 1994 Fifth cousins once removed Charles IV of Spain; Francis I of the Two Sicilies; Francis, Duke of Saxe-Coburg-Saalfeld; Frederick William, Prince of Nassau-Weilburg Gustaf V of Sweden Victoria of Baden 20 September 1881 1881 Third cousins once removed Charles II, Grand Duke of Mecklenburg-Strelitz Gustaf VI Adolf of Sweden Princess Margaret of Connaught

(first wife) 15 June 1905 1905 Third cousins Frederick William III of Prussia Gustaf VI Adolf of Sweden Louise Mountbatten

(second wife) 3 November 1923 1923 Fourth cousins Frederick William II of Prussia Prince Gustaf Adolf, Duke of Västerbotten Princess Sibylla of Saxe-Coburg and Gotha 20 October 1932 1932 Second cousins Queen Victoria Gustav III of Sweden Sophia Magdalena of Denmark 1 October 1766 1766 Second cousins George I of Great Britain Gustav, Prince of Vasa Princess Louise Amelie of Baden 9 November 1830 1830 First cousins Charles Louis, Hereditary Prince of Baden Gustavus Adolphus of Sweden Maria Eleonora of Brandenburg 25 November 1620 1620 Third cousins once removed Christian I of Denmark Haakon VII of Norway Princess Maud of Wales Buckingham Palace, 22 July 1896 1896 First cousins Christian IX of Denmark Hadrian Vibia Sabina 100 100 Second cousins once removed Traianus Hans-Adam I, Prince of Liechtenstein Erdmuthe Maria Theresia of Dietrichstein 16 February 1681 1681 First cousins Maximilian, Prince of Dietrichstein Hans-Adam II, Prince of Liechtenstein Marie Aglaë, Countess Kinsky von Wchinitz und Tettau 30 July 1967 1967 Second cousins once removed Ferdinand Bonaventura, 7th Prince Kinsky of Wchinitz and Tettau Prince Harald of Denmark Princess Helena Adelaide of Schleswig-Holstein-Sonderburg-Glücksburg 28 April 1909 1909 Second cousins Friedrich Wilhelm, Duke of Schleswig-Holstein-Sonderburg-Glücksburg Prince Heinrich I Reuss of Köstritz Duchess Woizlawa Feodora of Mecklenburg 15 September 1939 1939 Fourth cousins Paul I of Russia Heinrich XXII, Prince Reuss of Greiz Princess Ida of Schaumburg-Lippe 8 October 1872 1872 Second cousins once removed Charles Christian, Prince of Nassau-Weilburg Heinrich XXVII, Prince Reuss Younger Line Princess Elise of Hohenlohe-Langenburg 11 November 1884 1884 Third cousins Frederick II Eugene, Duke of Württemberg Prince Heinrich XXXIII Reuss of Köstritz Princess Victoria Margaret of Prussia 17 May 1913 1913 Fourth cousins Frederick William II of Prussia Prince Heinrich XXXV Reuss of Köstritz (son of Heinrich VII, Prince Reuss of Köstritz) Princess Maria of Saxe-Altenburg (daughter of Prince Albert of Saxe-Altenburg) 20 April 1911 1911 Second cousins once removed Charles Frederick, Grand Duke of Saxe-Weimar-Eisenach Princess Helena of the United Kingdom Prince Christian of Schleswig-Holstein Windsor Castle, 5 July 1866 1866 Third cousins Frederick, Prince of Wales Henri, Count of Chambord Archduchess Maria Theresa of Austria-Este 16 November 1846 1846 Second cousins Victor Amadeus III of Sardinia Henri d'Orléans, Duke of Aumale Princess Maria Carolina of Bourbon-Two Sicilies 25 November 1844 1844 First cousins Ferdinand I of the Two Sicilies Henri, Count of Paris Princess Isabelle of Orléans-Braganza 8 April 1931 1931 Double third cousins Louis Philippe I; Pedro I of Brazil Henri d'Orléans, Count of Paris Duchess Marie Thérèse of Württemberg 5 July 1957 1957 Double fourth cousins Louis Philippe I; Francis I of the Two Sicilies Henri, Prince of Condé Marie of Cleves, Princess of Condé

(first wife) 1572 1572 First cousins Charles, Duke of Vendôme Henri, Prince of Condé Charlotte Catherine de La Trémoille

(second wife) 6 March 1586 1586 Second cousins once removed Guillaume, seigneur de Montmorency Henri, Prince of Condé Charlotte Marguerite de Montmorency 1609 1609 First cousins once removed Anne de Montmorency Henri Jules, Prince of Condé Anne Henriette of Bavaria 11 December 1663 1663 Fourth cousins Charles, Duke of Vendôme Princess Henrietta Anne of England Philippe I, Duke of Orléans 31 March 1661 1661 First cousins Henry IV of France Henry I, Duke of Guise Catherine of Cleves 4 October 1570 1570 Second cousins Francis, Count of Vendôme Henry I of Castile Mafalda of Portugal 1215 1215 Second cousins once removed Ramon Berenguer III, Count of Barcelona and Douce I, Countess of Provence Henry I of Navarre Blanche of Artois February 1269 1269 Double third cousins once removed Theobald II, Count of Champagne; Alfonso VII of León Henry I of England Matilda of Scotland

(first wife) 11 November 1100 1100 Seventh cousins Alfred the Great Henry I of England Adeliza of Louvain

(second wife) 24 January 1121 1121 Fourth cousins Mathilde von Sachsen Henry II of England Eleanor of Aquitaine 18 May 1152 1152 Half-third cousins Ermengarde of Anjou Henry II, Duke of Lorraine Catherine de Bourbon

(first wife) 31 January 1599 1599 Second cousins once removed Charles, Count of Angoulême Henry II, Duke of Lorraine Margherita Gonzaga, Duchess of Lorraine

(second wife) 24 April 1606 1606 Third cousins Philip I of Castile and Joanna of Castile Henry III of England Eleanor of Provence 14 January 1236 1236 Fourth cousins Humbert II, Count of Savoy Henry IV of England Mary de Bohun

(first wife) 27 July 1380 1380 Second cousins (through Henry, 3rd Earl of Lancaster);

Third cousins (through Edward I of England Henry, 3rd Earl of Lancaster; Edward I of England Henry IV of England Joan of Navarre

(second wife) 7 February 1403 1403 Third cousins Philip IV of France and Joan I of Navarre Henry IV of France Margaret of Valois

(first wife) Notre Dame Cathedral, 18 August 1572 1572 Second cousins Charles, Count of Angoulême Henry IV of France Marie de' Medici

(second wife) 17 December 1600 1600 Fourth cousins Gaston IV, Count of Foix and Eleanor of Navarre Henry IV of Castile Blanche II of Navarre

(first wife) 1440 1440 First cousins Ferdinand I of Aragon Henry IV of Castile Joan of Portugal

(second wife) 21 May 1455 1455 First cousins (though Ferdinand I of Aragon); second cousins (through John of Gaunt) Ferdinand I of Aragon; John of Gaunt Henry V of England Catherine of Valois 2 June 1420 1420 Third cousins once removed Charles, Count of Valois Henry VI of England Margaret of Anjou Titchfield, Hampshire, 23 April 1445 1445 Third cousins John II of France Henry VII of England Elizabeth of York Westminster Abbey, 18 January 1486 1486 Third cousins John of Gaunt, 1st Duke of Lancaster and Katherine de Roet Henry VIII of England Catherine of Aragon

(first wife) Greenwich Palace, 11 June 1509

(annulled 23 May 1533) 1509 Third cousins once removed (through John of Gaunt, 1st Duke of Lancaster);

Double fourth cousins (through Peter of Castile) John of Gaunt, 1st Duke of Lancaster; Peter of Castile Henry VIII of England Anne Boleyn

(second wife) Westminster Abbey, 25 January 1533

(annulled 17 May 1536) 1533 Seventh cousins once removed Edward I of England Henry VIII of England Jane Seymour

(third wife) York Place, 30 May 1536 1536 Fifth cousins Philippa, 5th Countess of Ulster Henry VIII of England Anne of Cleves

(fourth wife) Greenwich Palace, 6 January 1540

(annulled 9 July 1540) 1540 Ninth cousins Edward I of England Henry VIII of England Catherine Howard

(fifth wife) Oatlands Palace, 28 July 1540

(annulled 23 November 1541) 1540 Seventh cousins once removed Edward I of England Henry VIII of England Catherine Parr

(sixth wife) Hampton Court Palace, London, 12 July 1543 1543 Third cousins (through Sir Richard Wydeville);

Third cousins once removed (through Lady Joan Beaufort)

Double fourth cousins once removed (through Thomas Holland, 2nd Earl of Kent and John of Gaunt, 1st Duke of Lancaster) Sir Richard Wydeville; Lady Joan Beaufort; Thomas Holland, 2nd Earl of Kent; John of Gaunt, 1st Duke of Lancaster Henry the Young King Margaret of France, Queen of England and Hungary 27 August 1172 1172 Fourth cousins Robert I, Duke of Burgundy Prince Henry of the Netherlands Princess Amalia of Saxe-Weimar-Eisenach

(first wife) 19 May 1853 1853 Fourth cousins Frederick William I of Prussia Prince Henry of the Netherlands Princess Marie of Prussia

(second wife) 23 August 1878 1878 First cousins twice removed (though Paul I of Russia); second cousins once removed (through Frederick William II of Prussia) Paul I of Russia; Frederick William II of Prussia Prince Henry, Count of Bardi Princess Maria Luisa of Bourbon-Two Sicilies

(first wife) 25 November 1873 1873 Half-first cousins once removed Francis I of the Two Sicilies Prince Henry, Count of Bardi Infanta Adelgundes, Duchess of Guimarães

(second wife) 15 October 1876 1876 Second cousins once removed Charles IV of Spain Henry, Duke of Villena Infanta Catherine, Duchess of Villena November 1418 1418 First cousins John I of Castile Prince Henry of Prussia Princess Wilhelmina of Hesse-Kassel 25 June 1752 1752 Fourth cousins once removed Louis V, Landgrave of Hesse-Darmstadt Henry the Lion Clementia of Zähringen

(first wife) 1147 1147 Third cousins once removed Bernard II, Duke of Saxony Henry the Lion Matilda of England, Duchess of Saxony

(second wife) 1 February 1168 1168 Third cousins twice removed ;fourth cousins once removed Baldwin IV, Count of Flanders; Richard II, Duke of Normandy Henry Julius, Duke of Brunswick-Lüneburg Dorothea of Saxony

(first wife) 26 September 1585 1585 Third cousins John Cicero, Elector of Brandenburg Henry Julius, Duke of Brunswick-Lüneburg Elizabeth of Denmark, Duchess of Brunswick-Wolfenbüttel

(second wife) 19 April 1590 1590 Second cousins once removed Joachim I Nestor, Elector of Brandenburg Archduke Hubert Salvator of Austria Princess Rosemary of Salm-Salm 25 November 1926 1926 Fourth cousins Leopold II, Holy Roman Emperor Prince Hubertus of Prussia Princess Magdalena Reuss of Köstritz 5 June 1943 1943 Third cousins Heinrich LXIII, Prince Reuss of Köstritz Princess Iniga of Thurn and Taxis Prince Eberhard von Urach (son of Wilhelm Karl, Duke of Urach) 18 May 1948 1948 Second cousins once removed Duke Maximilian Joseph in Bavaria Princess Irene of Hesse and by Rhine Prince Henry of Prussia 24 May 1888 1888 First cousins Queen Victoria Princess Isabel Alfonsa of Bourbon-Two Sicilies Jan Kanty Zamoyski 9 March 1929 1929 First cousins once removed Prince Francis, Count of Trapani Isabella I of Castile Ferdinand II of Aragon Palacio de los Vivero, Valladolid, 19 October 1469 1469 Second cousins John I of Castile Isabella II of Spain Francis, Duke of Cádiz 10 October 1846 1846 Double first cousins Charles IV of Spain and Princess Maria Luisa of Parma; Francis I of the Two Sicilies and Infanta María Isabella of Spain Jacqueline, Countess of Hainaut John, Duke of Touraine

(first husband) 6 August 1415 1415 Second cousins John II of France Jacqueline, Countess of Hainaut John IV, Duke of Brabant

(second husband) 10 March 1418 1418 First cousins Philip the Bold Jacqueline, Countess of Hainaut Humphrey, Duke of Gloucester

(third husband) 15 October 1423 1423 Third cousins William I, Count of Hainaut Jacques of Savoy, Count of Romont Marie of Luxembourg, Countess of Vendôme 1484 1484 Second cousins once removed[70] John I, Count of La Marche James I of England Anne of Denmark Old Bishop's Palace in Oslo, 23 November 1589 1589 Third cousins once removed Christian I of Denmark James I of Scotland Joan Beaufort, Queen of Scots 12 February 1424 1424 Fifth cousins once removed John Fitzgeoffrey James I of Aragon Eleanor of Castile 1221 1221 Second cousins Alfonso VII of León James II of England Anne Hyde

(first wife) 3 September 1660 1660 Ninth cousins once removed Eleanor of Lancaster James II of England Mary of Modena

(second wife) 21 November 1673 1673 Third cousins once removed; Fourth cousins twice removed Cosimo I de' Medici, Grand Duke of Tuscany; Philip I of Castile and Joanna of Castile James II of Scotland Mary of Guelders 3 July 1449 1449 Fourth cousins once removed William I, Count of Hainaut James II, Count of Urgell Isabella of Aragon, Countess of Urgell 29 June 1407 1407 First cousins once removed Alfonso IV of Aragon James II of Aragon Isabella of Castile, Queen of Aragon 1 December 1291 1291 First cousins once removed James I of Aragon James III of Majorca Constance of Aragon, Queen of Majorca 24 September 1336 1336 Second cousins once removed James I of Aragon James III of Scotland Margaret of Denmark, Queen of Scotland July 1469 1469 Fifth cousins Louis IV, Holy Roman Emperor James IV of Scotland Margaret Tudor Holyrood Abbey, Edinburgh, 8 August 1503 1503 Third cousins John Beaufort, 1st Earl of Somerset James V of Scotland Madeleine of Valois

(first wife) 1 January 1537 1537 Third cousins once removed Adolph I, Duke of Cleves James V of Scotland Mary of Guise

(second wife) May 18, 1538 1538 Third cousins Arnold, Duke of Guelders James Francis Edward Stuart Maria Clementina Sobieska 3 September 1719 1719 Fourth cousins once removed Ferdinand I, Holy Roman Emperor Jean, Grand Duke of Luxembourg Princess Joséphine Charlotte of Belgium 9 April 1953 1953 Second cousins once removed Miguel I of Portugal Prince Jean, Duke of Guise Princess Isabelle of Orléans 30 October 1899 1899 First cousins Ferdinand Philippe, Duke of Orléans Prince Joachim of Prussia Princess Marie-Auguste of Anhalt 11 March 1916 1916 Double fourth cousins Frederick William II of Prussia; Charles II, Grand Duke of Mecklenburg-Strelitz Joachim I Nestor, Elector of Brandenburg Elizabeth of Denmark, Electress of Brandenburg 10 April 1502 1502 Double second cousins once removed Frederick I, Elector of Brandenburg; Frederick I, Elector of Saxony Joachim II Hector, Elector of Brandenburg Magdalena of Saxony

(first wife) 6 November 1524 1524 Second cousins once removed Frederick II, Elector of Saxony Joachim II Hector, Elector of Brandenburg Hedwig Jagiellon, Electress of Brandenburg

(second wife) 1 September 1535 1535 Second cousins once removed Albert II of Germany Joan of Acre Gilbert de Clare, 7th Earl of Gloucester 30 April 1290 1290 Half-fifth cousins Henry I of England Joanna I of Naples Andrew, Duke of Calabria

(first husband) 26 September 1333 1333 Second cousins Charles II of Naples Joanna I of Naples Louis I of Naples

(second husband) 22 August 1347 1347 First cousins (through Charles, Count of Valois); first cousins once removed (through Charles II of Naples) Charles, Count of Valois; Charles II of Naples Joanna I of Naples James IV of Majorca

(third husband) September 26, 1363 1363 Second cousins once removed Peter III of Aragon João I, Duke of Braganza Catherine, Duchess of Braganza 1563 1563 First cousins Jaime, Duke of Braganza João of Braganza, Marquis of Montemor-o-Novo Isabel of Noronha 25 July 1460 1460 Half-third cousins Peter I of Portugal Prince Johann von Nepomuk of Thurn and Taxis (father of Prince Friedrich of Thurn and Taxis) Princess Maria Julia of Lobkowicz Second cousins Ferdinand Bonaventura, 7th Prince Kinsky of Wchinitz and Tettau Prince Johann Georg of Hohenzollern Princess Birgitta of Sweden 25 May 1961 1961 Fifth cousins Francis, Duke of Saxe-Coburg-Saalfeld Prince Johann Georg of Saxony Duchess Maria Isabella of Württemberg

(first wife) 5 April 1894 1894 Double third cousins once removed Leopold II, Holy Roman Emperor; Ferdinand I of the Two Sicilies Prince Johann Georg of Saxony Princess Maria Immaculata of Bourbon-Two Sicilies

(second wife) 30 October 1906 1906 Double third cousins once removed Leopold II, Holy Roman Emperor; Charles IV of Spain Johann Nepomuk Karl, Prince of Liechtenstein Countess Maria Josepha of Harrach-Rohrau 19 March 1744 1744 First cousins Anton Florian, Prince of Liechtenstein Johann Wilhelm, Elector Palatine Archduchess Maria Anna Josepha of Austria

(first wife) 25 October 1678 1678 Second cousins William V, Duke of Bavaria Johann Wilhelm, Elector Palatine Anna Maria Luisa de' Medici

(second wife) 29 April 1691 1691 Third cousins once removed Albert V, Duke of Bavaria Prince Johannes Heinrich of Saxe-Coburg and Gotha Princess Mathilde of Saxony 12 November 1968 1968 Third cousins Leopold II, Grand Duke of Tuscany John, King of Denmark Christina of Saxony 6 September 1478 1478 Fourth cousins Stephen II, Duke of Bavaria John, King of England Isabella, Countess of Gloucester

(first wife) 8 September 1176 1176 Half-second cousins Henry II of England John, King of England Isabella of Angoulême

(second wife) 24 August 1200 1200 Fourth cousins once removed Roger de Montgomerie, 1st Earl of Shrewsbury John I of Portugal Philippa of Lancaster 11 February 1387 1387 Fourth cousins once removed James I of Aragon John I of Aragon Martha of Armagnac

(first wife) 24 June 1373 1373 Fourth cousins once removed Louis VIII of France John I of Aragon Violant of Bar

(second wife) 2 February 1380 1380 Third cousins once removed Charles II of Naples John I of Castile Eleanor of Aragon, Queen of Castile

(first wife) 18 June 1375 1375 Third cousins once removed Peter III of Aragon John I of Castile Beatrice of Portugal

(second wife) 14 May 1383 1383 Second cousins once removed Manuel of Castile John I, Count of Holland Elizabeth of Rhuddlan 8 January 1297 1297 Third cousins twice removed Henry II of England John II of Portugal Eleanor of Viseu 22 January 1470 1470 First cousins Edward of Portugal John II of Castile Maria of Aragon, Queen of Castile

(first wife) 1418 1418 First cousins John I of Castile John II of Castile Isabella of Portugal, Queen of Castile

(second wife) 22 July 1447 1447 First cousins once removed John of Gaunt John II of Aragon and Navarre Blanche I of Navarre

(first wife) 6 November 1419 1419 First cousins once removed Henry II of Castile John II of Aragon and Navarre Juana Enríquez

(second wife) 1 April 1444 1444 Second cousins once removed Alfonso XI of Castile John II, Marquess of Montferrat Isabella of Majorca 4 September 1358 1358 Third cousins once removed James I of Aragon John II, Duke of Brabant Margaret of England, Duchess of Brabant 8 July 1290 1290 Sixth cousins William the Conqueror John II, Duke of Brittany Beatrice of England 22 January 1260 1260 Fourth cousins Alfonso VII of León John III of Portugal Catherine of Austria 10 February 1525 1525 First cousins Ferdinand II of Aragon and Isabella I of Castile John IV, Marquess of Montferrat Margaret of Savoy, Countess of Saint-Pol December 1458 1458 Second cousins once removed Amadeus VI, Count of Savoy John IV, Duke of Brittany Mary of Waltham

(first wife) 3 July 1361 1361 Third cousins Henry III of England John IV, Duke of Brittany Joan Holland, Duchess of Brittany

(second wife) May 1366 1366 Third cousins Henry III of England John IV, Duke of Brittany Joan of Navarre, Queen of England

(third wife) 2 October 1386 1386 Fourth cousins once removed Theobald I of Navarre John V Palaiologos, Byzantine Emperor Helena Kantakouzene Constantinople, 28 May 1347 1347 Second cousins Michael VIII Palaiologos, Byzantine Emperor John V of Portugal Maria Anna of Austria 27 October 1708 1708 First cousins Philip William, Elector Palatine John VI of Portugal Carlota of Spain 8 May 1785 1785 Second cousins Philip V of Spain John V, Count of Armagnac Isabelle d'Armagnac, dame des Quatre-Vallées c. 1450. Papal dispensation declared forged 1457[71] 1450 Full siblings[72][73] John IV, Count of Armagnac John of Gaunt, 1st Duke of Lancaster Blanche of Lancaster

(first wife) Reading Abbey, Reading, Berkshire, 19 May 1359 1359 Third cousins Henry III of England John of Gaunt, 1st Duke of Lancaster Infanta Constance of Castile

(second wife) Roquefort, 21 September 1371 1371 Third cousins twice removed Ferdinand III of Castile John of Lancaster, 1st Duke of Bedford Anne of Burgundy 13 May 1423 1423 Fifth cousins Philip III of France John, Duke of Östergötland Princess Maria Elizabeth of Sweden 29 November 1612 1612 First cousins Gustav I of Sweden John, Prince of Asturias Margaret of Austria, Duchess of Savoy 20 January 1495 1495 Third cousins John I of Portugal John Adolf, Duke of Holstein-Gottorp Augusta of Denmark 30 August 1596 1596 First cousins once removed Frederick I of Denmark Duke John Albert of Mecklenburg Princess Elisabeth Sybille of Saxe-Weimar-Eisenach 6 November 1886 1886 Second cousins once removed Paul I of Russia John Casimir, Count Palatine of Kleeburg Catherine of Sweden, Countess Palatine of Kleeburg 11 June 1615 1615 Second cousins Philip I, Landgrave of Hesse John Christian, Count Palatine of Sulzbach Maria Henriette de La Tour d'Auvergne

(first wife) 15 February 1722 1722 Fifth cousin once removed William I, Count of Nassau-Dillenburg John Christian, Count Palatine of Sulzbach Landgravine Eleonore of Hesse-Rotenburg

(second wife) 21 January 1731 1731 Third cousins Maurice, Landgrave of Hesse-Kassel John Frederick, Duke of Württemberg Barbara Sophie of Brandenburg 5 November 1609 1609 Third cousins Joachim I Nestor, Elector of Brandenburg John Frederick II, Duke of Saxony Agnes of Hesse 26 May 1555 1555 Third cousins Frederick II, Elector of Saxony John George I, Elector of Saxony Duchess Magdalene Sibylle of Prussia 19 July 1607 1607 Third cousins Joachim I Nestor, Elector of Brandenburg John George II, Elector of Saxony Margravine Magdalene Sibylle of Brandenburg-Bayreuth 13 November 1638 1638 Second cousins once removed Joachim II Hector, Elector of Brandenburg John George III, Elector of Saxony Princess Anna Sophie of Denmark 9 October 1666 1666 Second cousins once removed John George, Elector of Brandenburg John Manuel, Pr