Magdalena of Saxony princess of Saxony, Electress of Brandenburg (1507-1534) (1507–1534) Parents Barbara Jagiellon George, Duke of Saxony Children John George, Elector of Brandenburg Barbara of Brandenburg, Duchess of Brieg Frederick of Brandenberg Siblings Frederick, Hereditary Prince of Saxony Christine of Saxony John, Hereditary Prince of Saxony Margaret von Sachsen Agnes von Sachsen Wolfgang von Sachsen Christopher von Sachsen Christopher von Sachsen Anne von Sachsen Partners Joachim II Hector, Elector of Brandenburg