Wilhelm Friedrich, Duke of Schleswig-Holstein

Duke of Schleswig-Holstein (1891–1965)

Parents

• Friedrich Ferdinand, Duke of Schleswig-Holstein
• Princess Karoline Mathilde of Schleswig-Holstein-Sonderburg-Augustenburg

Children

• Princess Marie Alexandra of Schleswig-Holstein
• Peter, Duke of Schleswig-Holstein
• Prince Wilhelm of Schleswig-Holstein
• Hans Albrecht, Hereditary Prince of Schleswig-Holstein

Siblings

• Princess Karoline Mathilde of Schleswig-Holstein-Sonderburg-Glücksburg
• Princess Helena Adelaide of Schleswig-Holstein-Sonderburg-Glücksburg
• Princess Alexandra Victoria of Schleswig-Holstein-Sonderburg-Glücksburg
• Princess Viktoria Adelheid of Schleswig-Holstein
• Princess Adelaide of Schleswig-Holstein-Sonderburg-Glücksburg

Partners

• Princess Marie Melita of Hohenlohe-Langenburg