Nikolaus, Hereditary Grand Duke of Oldenburg (1897-     ).  Succeeded as head of the dynasty in 1931 on the death of his father, Grand Duke Friedrich August.
Wife: Helene, née Princess of Waldeck und Pyrmont (1899-     )

Issue:

Anton-Günther, Duke of Oldenburg (1923-     ) Rixa, Duchess of Oldenburg (1924-1939).  Died on April 1, 1939, after a fall from her horse. Peter, Duke of Oldenburg (1926-     ) Eilika, Duchess of Oldenburg (1928-     ) Egilmar, Duke of Oldenburg (1934-     ) Friedrich August, Duke of Oldenburg (1936-     ) Altburg, Duchess of Oldenburg (1938-     ) Huno, Duke of Oldenburg, born on January 3, 1940, at Lensahn. Johann, Duke of Oldenburg, born on January 3, 1940, at Lensahn.

Elimar, Duke of Oldenburg (1844-1895)

Issue of his unequal marriage:  2 children, including

Alexander, Count von Welsburg (1878-1927) Issue: Georg Elimar, Count von Welsburg (1906-     ) 2nd Wife:  Maria Ruth, née Schalscha von Ehrenfeld (1899-     ) Issue of his second marriage: Alexander, Count von Welsburg (1938-     ) Christian, Count von Welsburg, born at Brodany, Hungary, on March 4, 1939. Alexander, Count von Welsburg (1908-1945).  Died in Berlin on April 29, 1945. Alexandra, Frau Jürgen von Schalburg (1910-     ) Percy, Count von Welsburg (1913-     ).  Married in Berlin on September 12, 1940. Wife:  Ingeborg, née von Kusserow (1919-     ) Issue: Patrick, Count von Welsburg, born in Berlin on July 13, 1943.

Georg, Duke of Oldenburg (1784-1812)

Issue:  2 children, including

Peter, Duke of Oldenburg (1812-1881) Issue:  8 children, including Nikolaus, Duke of Oldenburg (1840-1886) Issue of his unequal marriage:  3 children, including Alexandra, Mme. Paul Vérola (1864-     ) Konstantin, Duke of Oldenburg (1850-1906) Issue of his unequal marriage:  6 children, including Aleksandra Konstantinovna, Mme. Leo Vassilievich Narishkina (1883-     ) Ekaterina Konstantinovna, Mme. Ivan von Ploen (1884-     ) Nikolai Konstantinovich, Count von Zarnekau (1885-     ) Petr Konstantinovich, Count von Zarnekau (1889-     ) 2nd Wife:  Aleksandra Feodorovna, née Annenkova (1905-     ) Issue of his first marriage: Konstantin Petrovich, Count de Zarnekau (1916-     ) Nina Petrovna, Countess de Zarnekau (1919-     )

Duke Friedrich of Schleswig-Holstein-Sonderburg-Glücksburg (1814-1885)

Issue:  5 children, including

Friedrich Ferdinand, Duke of Schleswig-Holstein-Sonderburg-Glücksburg (1855-1934) Issue: Viktoria Adelheid, Duchess of Saxe-Coburg and Gotha (1885-     ) Alexandra Viktoria, Frau Rumann (1887-     ) Helene, Princess Harald of Denmark (1888-     ) Adelheid, The Princess of Solms-Baruth (1889-     ) Wilhelm Friedrich, Duke of Schleswig-Holstein-Sonderburg-Glücksburg (1891-     ) Issue:  4 children, including Hans, Hereditary Prince of Schleswig-Holstein-Sonderburg-Glücksburg (1917-1944).  Killed in action during World War II at Zedlinsk, Poland, on August 10, 1944. Peter, Hereditary Prince of Schleswig-Holstein-Sonderburg-Glücksburg (1922-     ) Marie Alexandra, Princess of Schleswig-Holstein-Sonderburg-Glücksburg (1927-     ) Karoline Mathilde, Countess Hans of Solms-Baruth (1894-     ) Marie, Princess of Schleswig-Holstein-Sonderburg-Glücksburg, Abbess of Itzhoe (1859-1941).  Died on June 26, 1941. Albrecht, Prince of Schleswig-Holstein-Sonderburg-Glücksburg (1863-     ). 2nd Wife: Hertha, née Princess of Ysenburg und Büdingen in Büdingen (1883-     ) Issue: Marie Luise, Baroness Rudolf Karl von Stengal (1908-     ).  Adopted by Duke Ernst Günther of Schleswig-Holstein-Sonderburg-Augustenburg in 1920. Friedrich Wilhelm, Prince of Schleswig-Holstein-Sonderburg-Glücksburg (1909-1940).  Killed in action during World War II on June 6, 1940, at Trier. Johann Georg, Prince of Schleswig-Holstein-Sonderburg-Glücksburg (1911-1941).  Adopted by Duke Ernst Günther of Schleswig-Holstein-Sonderburg-Augustenburg in 1920.  Killed in action during World War II on June 23, 1941, in Russia. Friedrich Ferdinand, Prince of Schleswig-Holstein-Sonderburg-Glücksburg (1913-     ).  Married on September 1, 1943, at Wiligrad. Wife: Anastasia, Duchess of Mecklenburg-Schwerin (1923-     ) Issue: Elisabeth, Princess of Schleswig-Holstein-Sonderburg-Glücksburg, born in Schleswig on September 10, 1945. Ortrud, Princess of Schleswig-Holstein-Sonderburg-Glücksburg (1925-     )

Last updated on 12/05/03 .