Dorothea of Denmark duchess of Prussia (1504-1547) (1504–1547) Parents Anna of Brandenburg Frederick I of Denmark Children Lucia Dorothea von Hohenzollern Katharina von Hohenzollern Friedrich Albrecht von Hohenzollern Lucia von Hohenzollern Anna Sophie of Prussia Albrecht von Hohenzollern Siblings 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 Frederick of Denmark Christian III of Denmark Catharina Frederiksdatter Geseke Frederiksdatter Anna of Denmark Partners Albert, Duke in Prussia