Johannes married Maria Franziska Apollonia Griser on 12 Sep 1776 in Steinweiler, Pfalz, Bayern. Maria was born on 5 May 1754 in Steinweiler, Pfalz, Bayern; died on 5 Mar 1789 in Steinweiler, Pfalz, Bayern. [Group Sheet] [Family Chart]

1. Ursula Susanna Dewein was born on 1 Apr 1777 in Steinweiler, Pfalz; was christened on 1 Apr 1777 in Steinweiler, Pfalz; died on 19 Feb 1846 in Steinweiler, Pfalz, Bayern.
2. Maria Katharina Dewein was born on 29 Jun 1783 in Steinweiler, Pfalz; was christened on 29 Jun 1783 in Steinweiler, Pfalz; died on 25 Sep 1840 in Steinweiler, Pfalz, Bayern.