The House of Oldenburg is a North German noble family and one of Europe's most influental Royal Houses. It first became royal when Count Christian VIII of Oldenburg became King of Denmark in 1448, and has been the Danish Royal House ever since. Different branches have reigned in several countries, as this selective chart shows:

• The main line.
  1. Kings of Denmark (1448-1863),
  2. Kings of Norway (1450-1814),
  3. Kings of Sweden (1457-1464, 1497-1501 and 1520-1521),
  4. Dukes of Schleswig and Counts of Holstein (1460-1580),
  5. Dukes of Schleswig-Holstein (1773-1863).
     
     
  • Holstein-Gottorp.
    1. Dukes of Holstein-Gottorp (1544-1739).
       
       
    • Holstein-Gottorp-Romanov (commonly still called Romanov).
      1. Tsars of Russia (1762 and 1796-1917),
      2. Dukes of Holstein-Gottorp (1739-1763).
         
         
    • Holstein-Gottorp (Sweden).
      1. Kings of Sweden (1751-1818).
         
         
  • Schleswig-Holstein-Sonderburg-Glücksburg.
    1. Kings of Denmark since 1863.
       
       
    • Schleswig-Holstein-Sonderburg-Glücksburg (Norway).
      1. Kings of Norway since 1905.
         
         
    • Schleswig-Holstein-Sonderburg-Glücksburg (Greece).
      1. Kings of the Hellenes (1863-1924 and 1935-1973).
         
         
      • A member of this branch is the Duke of Edinburgh, so it will also be reigning in the United Kingdom, where it will be called Windsor.

External links

• The House of Oldenburg - more specific genealogy