House of Schleswig-Holstein-Sonderburg-Glücksburg line of succession
The House of Schleswig-Holstein-Sonderburg-Glücksburg is the senior extant line of the House of Oldenburg. Junior lines of this house include the current royal houses of Denmark, Greece, Norway, and the United Kingdom upon the ascension of Charles, Prince of Wales to the throne. The Law of Succession is agnatic primogeniture, only allowing males to succeed to the throne. The current Head of the House of Schleswig-Holstein-Sonderburg-Glücksburg is Christoph, styled as His Highness The Prince of Schleswig-Holstein.
Current duke: HH Christoph, Prince of Schleswig-Holstein (b. 1949)
Friedrich Wilhelm → Friedrich → Friedrich Ferdinand → Wilhelm Friedrich → Peter
- HH The Hereditary Prince of Schleswig-Holstein (b. 1985), son of The Prince of Schleswig-Holstein
- HH Prince Constantin of Schleswig-Holstein-Sonderburg-Glücksburg (b. 1986), son of the Prince of Schleswig-Holstein
- HH Prince Leopold of Schleswig-Holstein-Sonderburg-Glücksburg (b. 1991), son of the Prince of Schleswig-Holstein
- HH Prince Alexander of Schleswig-Holstein-Sonderburg-Glücksburg (b. 1953), brother of the Prince of Schleswig-Holstein
- HH Prince Julian of Schleswig-Holstein-Sonderburg-Glücksburg (b. 1997), son of Prince Alexander of Schleswig-Holstein-Sonderburg-Glücksburg
Friedrich Wilhelm → Christian IX of Denmark → Frederick VIII of Denmark → Christian X of Denmark → Knud, Hereditary Prince of Denmark
- HE Count Ingolf of Rosenborg (b. 1940), son of the Hereditary Prince of Denmark
- HE Count Christian of Rosenborg (b. 1942), brother of Count Ingolf of Rosenborg
Friedrich Wilhelm → Christian IX of Denmark → Frederick VIII of Denmark → Haakon VII of Norway → Olav V of Norway
- HM The King of Norway (b. 1937), son of Olav V of Norway
- HRH The Crown Prince of Norway (b. 1973), son of Harald V of Norway
- HH Prince Sverre Magnus of Norway (b. 2005), son of Haakon, Crown Prince of Norway
Friedrich Wilhelm → Christian IX of Denmark → Frederick VIII of Denmark → Prince Harald of Denmark → Count Oluf of Rosenborg
- Count Ulrik of Rosenborg (b. 1950), son of Count Oluf of Rosenborg
- Count Philip of Rosenborg (b. 1986), son of Count Ulrik of Rosenborg
Friedrich Wilhelm → Christian IX of Denmark → George I of Greece → Constantine I of Greece → Paul of Greece
- HM The King of the Hellenes (b. 1940), son of Paul of Greece
- HRH The Crown Prince of Greece (b. 1967), son of Constantine II of Greece
- HRH Prince Constantine Alexios of Greece and Denmark (b. 1998), son of Pavlos, Crown Prince of Greece
- HRH Prince Achileas-Andreas of Greece and Denmark (b. 2000), son of Pavlos, Crown Prince of Greece
- HRH Prince Odysseas-Kimon of Greece and Denmark](b. 2004), son of Pavlos, Crown Prince of Greece
- HRH Prince Aristide Stavros of Greece and Denmark (b. 2008), son of Pavlos, Crown Prince of Greece
- HRH Prince Nikolaos of Greece and Denmark (b. 1969), son of Constantine II of Greece
- HRH Prince Philippos of Greece and Denmark (b. 1986), son of Constantine II of Greece
Friedrich Wilhelm → Christian IX of Denmark → George I of Greece → Prince Andrew of Greece and Denmark
- HRH The Duke of Edinburgh (b. 1921), son of Prince Andrew of Greece and Denmark
- HRH The Prince of Wales (b. 1948), son of Prince Philip, Duke of Edinburgh
- HRH The Duke of Cambridge (b. 1982), son of Charles, Prince of Wales
- HRH Prince Henry of Wales (b. 1984), son of Charles, Prince of Wales
- HRH The Duke of York (b. 1960), son of Prince Philip, Duke of Edinburgh
- HRH Earl of Wessex (b. 1964), son of Prince Philip, Duke of Edinburgh
- Viscount Severn (b. 2007), son of Prince Edward, Earl of Wessex
Friedrich Wilhelm → Christian IX of Denmark → George I of Greece → Prince Christopher of Greece and Denmark
- HRH Prince Michael of Greece and Denmark (b. 1939), son of Prince Christopher of Greece and Denmark
Friedrich Wilhelm → Christian IX of Denmark → Prince Valdemar of Denmark → Prince Axel of Denmark → Count Flemming of Rosenborg
- Count Axel of Rosenborg (b. 1950), son of Count Flemming of Rosenborg
- Count Carl Johan of Rosenborg (b. 1979), son of Count Axel of Rosenborg
- Count Alexander Flemming of Rosenborg (b. 1993), son of Count Axel of Rosenborg
- Count Birger of Rosenborg (b. 1950), son of Count Flemming of Rosenborg
- Count Carl of Rosenborg (b. 1952), son of Count Flemming of Rosenborg
Friedrich Wilhelm → Christian IX of Denmark → Prince Valdemar of Denmark → Count Erik of Rosenborg → Count Christian of Rosenborg
- Count Valdemar of Rosenborg (b. 1965), son of Count Christian of Rosenborg
- Count Nicolai of Rosenborg (b. 1997), son of Count Valdemar of Rosenborg