page_title: Royal descendants of John William Friso
section_title: Romania
hierarchical_section_title: Royal descendants of John William Friso / Romania
caption_attribution_description: English: H.M. King Michael I in historical city of Alba Iulia, Romania in 2007.
context_page_description: The royal descendants of John William Friso, Prince of Orange currently occupy all the hereditary European royal thrones, with Friso and his wife, Landgravine Marie Louise of Hesse-Kassel, being the most recent common ancestors of all the European monarchs. Due to the intermarriage of the European royal houses, many monarchs are descended from Friso in more than one way. Through history, Friso has also been the ancestor of many monarchs whose thrones no longer exist.
context_section_description: King Michael I of Romania, the last King of Romania, was descended from Friso through his son's daughter in one way and his daughter's son in two:
  John William Friso, Prince of Orange (1687–1711) m. Landgravine Marie Louise of Hesse-Kassel
  Princess Amalia of Nassau-Dietz (1710–1777) m. Frederick, Hereditary Prince of Baden-Durlach
  Charles Frederick, Grand Duke of Baden (1728–1811) m. Landgravine Caroline Louise of Hesse-Darmstadt
  Charles Louis, Hereditary Prince of Baden (1755–1801) m. Princess Amalie of Hesse-Darmstadt
  Princess Wilhelmine of Baden (1788–1836) m. Louis II, Grand Duke of Hesse
  Marie of Hesse and by Rhine (1824–1880) m. Alexander II of Russia
  Grand Duchess Maria Alexandrovna of Russia (1853–1920) m. Alfred, Duke of Saxe-Coburg and Gotha
  Marie of Romania (1875–1938) m. Ferdinand I of Romania
  Carol II of Romania (1893–1953) m. Helen of Greece and Denmark
  Michael I of Romania (1921–2017) m. Anne of Bourbon-Parma
  Princess Margareta of Romania (born 1949) m. Prince Radu of Romania
  Same as #1 above
  Same as #2 above
  Same as #3 above
  Same as #4 above
  Charles, Grand Duke of Baden (1786–1818) m. Stéphanie de Beauharnais
  Princess Josephine of Baden (1813–1900) m. Karl Anton, Prince of Hohenzollern
  Leopold, Prince of Hohenzollern (1835–1905) m. Infanta Antónia of Portugal
  Ferdinand I of Romania (1865–1927) m. Marie of Edinburgh
  Same as #9 above
  Same as #10 above
  Same as #11 above
  Same as #1 above
  William IV, Prince of Orange (1711–1751) m. Anne, Princess Royal and Princess of Orange
  Princess Carolina of Orange-Nassau (1743–1787) m. Charles Christian, Prince of Nassau-Weilburg
  Princess Henriette of Nassau-Weilburg (1780–1857) m. Duke Louis of Württemberg
  Duchess Amelia of Württemberg (1799–1848) m. Joseph, Duke of Saxe-Altenburg
  Princess Alexandra of Saxe-Altenburg (1830–1911) m. Grand Duke Konstantin Nikolayevich of Russia
  Olga Constantinovna of Russia (1851–1926) m. George I of Greece
  Constantine I of Greece (1868–1923) m. Sophia of Prussia
  Helen of Greece and Denmark (1896–1982) m. Carol II of Romania
  Same as #10 above
  Same as #11 above
  Male line:
  Same as #1 above
  Princess Amalia of Nassau-Dietz (1710–1777) m. Frederick, Hereditary Prince of Baden-Durlach
  Charles Frederick, Grand Duke of Baden (1728–1811) m. Landgravine Caroline Louise of Hesse-Darmstadt
  Charles Louis, Hereditary Prince of Baden (1755–1801) m. Princess Amalie of Hesse-Darmstadt
  Charles, Grand Duke of Baden (1786–1818) m. Stéphanie de Beauharnais
  Princess Josephine of Baden (1813–1900) m. Karl Anton, Prince of Hohenzollern
  Leopold, Prince of Hohenzollern (1835–1905) m. Infanta Antónia of Portugal
  William, Prince of Hohenzollern (1864–1927)
  Frederick, Prince of Hohenzollern (1891–1965)
  Friedrich Wilhelm, Prince of Hohenzollern (1924–2010)
  Karl Friedrich, Prince of Hohenzollern (born 1952)
  Same as #1 above
  Same as #2 above
  Same as #3 above
  Leopold, Grand Duke of Baden (1790–1852)
  Princess Marie of Baden (1834–1899)
  Emich, 5th Prince of Leiningen (1866–1939)
  Karl, Prince of Leiningen (1898–1946)
  Princess Margarita of Leiningen (1932–1996)
  Same as #11 above
  Same as #1 above
  Same as #2 above
  Same as #3 above
  Charles Louis, Hereditary Prince of Baden (1755–1801) m. Princess Amalie of Hesse-Darmstadt
  Princess Wilhelmine of Baden (1788–1836) m. Louis II, Grand Duke of Hesse
  Marie of Hesse and by Rhine (1824–1880) m. Alexander II of Russia
  Grand Duchess Maria Alexandrovna of Russia (1853–1920)
  Princess Victoria Melita of Saxe-Coburg and Gotha (1876–1936)
  Grand Duchess Maria Kirillovna of Russia (1907–1951)
  Same as #8 above
  Same as #9 above
  References:
caption: King Michael I of Romania
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