Christian III of Denmark king of Denmark and Norway (1503–1559) Parents Anna of Brandenburg Frederick I of Denmark Children Frederick II of Denmark John the Younger, Duke of Schleswig-Holstein-Sonderburg Anne of Denmark, Electress of Saxony Dorothea of Denmark, Duchess of Brunswick-Lüneburg Magnus, Duke of Holstein Siblings Catharina Frederiksdatter Adolf I, Duke of Schleswig-Holstein-Gottorp John II, Duke of Schleswig-Holstein-Haderslev Dorothea of Denmark, Duchess of Mecklenburg Elizabeth of Denmark, Duchess of Mecklenburg Geseke Frederiksdatter Frederick of Denmark Anna of Denmark Dorothea of Denmark Partners Dorothea of Saxe-Lauenburg
