Bernhard I Duke of BRUNSWICK LÜNEBURG
He married Margarethe Princess of Saxony Wittenberg 1386 . Margarethe Princess of Saxony Wittenberg was born at of Wittenberg, Sachsen, Prussia 1378 daughter of Wenzel, Elector of Saxony, Prince of Saxony Wittenberg and Cecilia, Princess of Carrara .
They were the parents of 3
children:
Otto I, Duke of Brunswick-LÜNEBURG
born Abt 1400.
Friedrich, "the Pious" Duke of Brunswick LÜNEBURG
born Abt 1408.
Katharine, Princess of Brunswick-LÜNEBURG
born Abt 1409.
Bernhard I Duke of Brunswick LÜNEBURG died 11 Jun 1434 at Celle, Hannover, Prussia .
Margarethe Princess of Saxony Wittenberg died 2 Jun 1418 .