Friedrich I (IV) "the Warlike" Prince of THURINGIA, ELECTOR OF SAXONY
He married Katharine Princess of Brunswick-LÜNEBURG 7 Feb 1402 . Katharine Princess of Brunswick-LÜNEBURG was born at of Lüneburg, Hannover, Prussia Abt 1389 daughter of Heinrich II Duke of Brunswick-LÜNEBURG and Sofie, Princess of Pomerania .
They were the parents of 7
children:
Katharine, Princess of Saxony
born Abt 1408.
Friedrich II "the Gentle" , Elector of Saxony
born 22 Aug 1412.
Sigismund, Prince of Saxony
born 3 Mar 1416.
Anna Princess of Saxony
born 5 Jun 1420.
Katharine Princess of Saxony, Electress of Brandenburg
born 1421.
Heinrich, Prince of Saxony
born 21 May 1422.
Wilhelm III "the Brave" , Duke of Saxony
born 30 Apr 1425.
Friedrich I (IV) "the Warlike" Prince of Thuringia, Elector of Saxony died 4 Jan 1428 at Altenburg, S-Altn, Thuringia .
Katharine Princess of Brunswick-LÜNEBURG died 28 Dec 1442 at Grimma, Leipzig, Saxony .