Joachim married Maria Barbara Schnetzer on 26 Nov 1754 in Waldhambach, Pfalz. Maria was born in 1740 in Waldhambach, Pfalz; died in in Waldhambach, Pfalz. [Group Sheet] [Family Chart]

1. Margaretha Landherr was born on 30 Dec 1755 in Waldhambach, Pfalz; died on 20 Jan 1790 in Waldhambach, Pfalz.
2. Johannes Georg Landherr was born on 9 Dec 1762 in Waldhambach, Pfalz; died on 12 Jan 1828 in Waldrohrbach, Pfalz, Bayern.
3. Julianna Landherr was born on 19 Jan 1768 in Waldhambach, Pfalz; died on 31 Dec 1807 in Waldhambach, Pfalz.