Jakob married Katharina Eva Mertz about 1806. Katharina was born in 1780 in Niederschlettenbach, Pfalz; died in in Niederschlettenbach, Pfalz, Bayern. [Group Sheet] [Family Chart]

1. Maria Anna Mertz was born on 18 Dec 1807 in Niederschlettenbach, Pfalz; was christened on 19 Dec 1807 in Niederschlettenbach, Pfalz.
2. Jakob Mertz was born in 1808 in Niederschlettenbach, Pfalz; died in in Niederschlettenbach, Pfalz, Bayern.
3. Joseph Mertz was born on 2 Apr 1810 in Niederschlettenbach, Pfalz; was christened on 2 Apr 1810 in Niederschlettenbach, Pfalz.
4. Lorenz Mertz was born on 21 Mar 1812 in Niederschlettenbach, Pfalz; was christened on 22 Mar 1812 in Niederschlettenbach, Pfalz.
5. Johannes Mertz was born on 19 Apr 1819 in Niederschlettenbach, Pfalz, Bayern; was christened on 19 Apr 1819 in Niederschlettenbach, Pfalz, Bayern.