Catherine of Saxony, Electress of Brandenburg Electress of Brandenburg (1421–1476) Parents Catherine of Brunswick-Lüneburg Frederick I Children Margaret of Brandenburg Dorothea of Brandenburg, Duchess of Saxe-Lauenburg Siblings Henry of Saxony William III Anna of Saxony, Landgravine of Hesse Frederick II Sigismund of Saxony Partners Frederick II, Elector of Brandenburg
