Peter, Duke of Schleswig-Holstein Duke of Schleswig-Holstein (1922-1980) (1922–1980) Parents Princess Marie Melita of Hohenlohe-Langenburg Wilhelm Friedrich, Duke of Schleswig-Holstein Children Ingeborg zu Schleswig-Holstein Alexander Prinz zu Schleswig-Holstein-Sonderburg-Glücksburg Marita von Schleswig-Holstein-Sonderburg-Glücksburg Prince Christoph of Schleswig-Holstein Siblings Princess Marie Alexandra of Schleswig-Holstein Hans Albrecht, Hereditary Prince of Schleswig-Holstein Prince Wilhelm of Schleswig-Holstein Partners Marie Alix, Duchess of Schleswig-Holstein
