Friedrich I Elector of BRANDENBURG
He married Elisabeth Princess of Bavaria, Electress of Brandenburg 18 Sep 1401 at Schougau, Oberbayern, Bavaria . Elisabeth Princess of Bavaria, Electress of Brandenburg was born at of Landshut, Niederbayern, Bavaria 1383 daughter of Friedrich Duke of Bavaria-Landshut and Maddalena Visconti .
They were the parents of 11
children:
Elisabeth Princess of Brandenburg, Duch of Silesia-Liegnitz-Brieg
born Bef 29 Sep 1403.
Johann Margrave of Brandenburg
born 1406.
Cäcilie Duchess of Brunswick-WOLFENBÜTTEL
born Abt 1407.
Barbara Princess of Brandenburg
born Abt 1409.
Margarethe Duchess of Mecklenburg, Duchess of Bavaria-Ingolstadt
born Abt 1410.
Magdalene Duchess of Brunswick-LÜNEBURG
born Abt 1412.
Friedrich II Elector of Brandenburg
born 19 Nov 1413.
Albrecht Achilles Elector of Brandenburg
born 24 Nov 1414.
Sofie Margravine of Brandenburg
born 1416.
Dorothea Duchess of Mecklenburg-Schwerin
born 9 Feb 1420.
Friedrich "the Fat" Margrave of Brandenburg
born Abt 1424.
Friedrich I Elector of Brandenburg died 21 Sep 1440 at Kadolzburg Castle, Kadolzburg, Mittelfranken, Bavaria .
Elisabeth Princess of Bavaria, Electress of Brandenburg died 13 Nov 1442 at Ansbach Castle, Ansbach, Mittelfranken, Bavaria .