Johannes Michael Helfer
1790 - 1791 (1 years)
Generation: 1
1. Johannes Michael Helfer was born on 7 Mar 1790 in Vorderweidenthal, Pfalz; was christened on 9 Mar 1790 in Vorderweidenthal, Pfalz; died on 24 Sep 1791 in Vorderweidenthal, Pfalz.