House of Oldenburg

House of Oldenburg
Country
Founded1101 (1101)
FounderElimar I, Count of Oldenburg
Current headFriedrich Ferdinand, Hereditary Prince of Schleswig-Holstein (heir of the last extant ducal branch of the House of Schleswig-Holstein-Sonderburg)[1][2]
Final ruler
Denmark:
Margrethe II (1972–2024)
Russia:
Nicholas II (1894–1917)
Sweden:
Charles XIII (1809–1818)
Greece:
Constantine II (1964–1973)
Oldenburg:
Friedrich August II (1900–1918)
Schleswig, Holstein and Saxe-Lauenburg:
Christian IX (1863–1864)
Titles
Deposition
Russia:
February Revolution, 1917
Greece:
1974 Greek republic referendum, 1974
Oldenburg:
German Revolution, 1918
Saxe-Lauenburg:
Second Schleswig War, 1864
Schleswig and Holstein:
Second Schleswig War, 1864
Cadet branches
List

The House of Oldenburg is a German dynasty whose members rule or have ruled in Denmark, Iceland, Greece, Norway, Russia, Sweden, the United Kingdom, Livonia, Schleswig, Holstein, and Oldenburg. The current kings of Norway and the United Kingdom are patrilineal descendants of the Glücksburg branch of this house.

The dynasty rose to prominence when Count Christian I of Oldenburg was elected King of Denmark in 1448, of Norway in 1450 and of Sweden in 1457. The house then occupied the Danish throne continuously for 576 years until the abdication of Queen Margrethe II in 2024.

  1. ^ Genealogisches Handbuch des Adels, Fürstliche Häuser, Band XVII, "Oldenburg". C.A. Starke Verlag, 2004, pp. 44–50 (in German). ISBN 9783798008335.
  2. ^ Burke's Royal Families of the World, p. 60. ISBN 0-85011-023-8.

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