Anne Catherine of Brandenburg Queen consort of Norway and Denmark (1575–1612) Parents Catherine of Brandenburg-Küstrin Joachim Frederick, Elector of Brandenburg Children Elizabeth Oldenburg Sophie Oldenburg son Oldenburg Frederick III of Denmark Christian, Prince-Elect of Denmark Frederick of Oldenburg Ulrik of Denmark Siblings August of Brandenburg Marie Eleonore von Brandenburg Ernst John Sigismund, Elector of Brandenburg John George of Brandenburg Joachim of Brandenburg Albrecht Frederik van Brandenburg Christian William of Brandenburg Barbara Sophie of Brandenburg Partners Christian IV of Denmark
