Family/Spouse: Joanna Stefens. Joanna was born about 1770; died on 23 Dec 1806 in Herkenbosch. [Group Sheet] [Family Chart]
Wilhelmus married Maria Agatha Clump on 6 May 1807 in Melick en Herkenbosch. Maria (daughter of Jacobus Klump and Catharina Vosse) was born in Herkenbosch; was christened on 23 Apr 1785 in Herkenbosch; died on 13 Apr 1850 in Herkenbosch. [Group Sheet] [Family Chart]