Joannes married Petronella Langeslag on 8 May 1813 in Appeltern. Petronella (daughter of Floris Langeslag and Petronella van der Wielen) was christened on 7 Nov 1789 in Appeltern; died on 9 Sep 1849 in Alphen. [Group Sheet] [Family Chart]
1788 - 1837 (~ 49 years)