1. | Johann III de La Mark was born on 10 Nov 1490 in Nassau, Deggendorf, Bayern, Germany; died in 1539 in Cleve, Gutersloh, Nordrhein-Westfalen, Germany. Family/Spouse: Mary Julich Berg. Mary was born on 3 Aug 1491 in Julich, Rheinland-Pfalz, Germany; died on 19 Aug 1543 in Büderich, Neuss, Nordrhein-Westfalen, Germany. [Group Sheet] [Family Chart] Children:
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