Friedrich II Elector of BRANDENBURG
He married Katharine Princess of Saxony, Electress of Brandenburg 11 Jun 1441 . Katharine Princess of Saxony, Electress of Brandenburg was born at of Dresden, Dresden, Saxony 1421 daughter of Friedrich I (IV) "the Warlike" Prince of Thuringia, Elector of Saxony and Katharine Princess of Brunswick-LÜNEBURG .
They were the parents of 4
children:
Dorothea Duchess of Saxony-Lauenburg-Ratzburg
born 1446.
Margarethe Princess of Brandenburg
born 1447.
Johann Margrave of Brandenburg
born Abt 1452.
Erasmus Margrave of Brandenburg
born Aft 1454.
Friedrich II Elector of Brandenburg died 10 Feb 1471 at Plassenburg Bei Kulmbach, Unterfranken, Bavaria .
Katharine Princess of Saxony, Electress of Brandenburg died 23 Aug 1476 .