Otto I, Count of WALDECK
He married Sofie Princess of Hesse Bef 24 Nov 1276 . Sofie Princess of Hesse was born at of Marburg, Hessen-Nassau, Prussia Abt 1264 daughter of Heinrich I "das Kind" Landgrave of Hesse and Adelheid Princess of Brunswick-LÜNEBURG .
They were the parents of 4
children:
Elisabeth, Countess of Waldeck
born Abt 1281.
Heinrich IV Count of Waldeck
born 1285.
Adelheid, Countess of Waldeck
born Abt 1285.
Mathilde, Countess of Waldeck
born 1288.
Sofie Princess of Hesse died Aft 12 Aug 1331 .