Johannes married Maria Barbara Mühlkreuter on 30 Mar 1761. Maria (daughter of Johannes Siegfried Mühlkreuter and Magdalena Kybold) was born on 19 Dec 1738 in Dahn, Pfalz; was christened on 19 Dec 1738 in Dimbach, Pfalz; died in in Schwanheim, Pfalz. [Group Sheet] [Family Chart]

1. Franz Xaver Christmann was born on 25 Dec 1761 in Schwanheim, Pfalz; was christened on 26 Dec 1761 in Schwanheim, Pfalz; died on 5 Nov 1795 in Schwanheim, Pfalz.
2. Konrad Christmann was born on 13 Nov 1763 in Schwanheim, Pfalz.
3. Johannes Jakob Christmann was born on 27 Jan 1766 in Schwanheim, Pfalz; died on 20 May 1837 in Schwanheim, Pfalz, Bayern.
4. Johannes Christmann was born on 14 Jan 1769 in Schwanheim, Pfalz; was christened on 15 Jan 1769 in Schwanheim, Pfalz.
5. Friedrich Christmann was born on 12 Aug 1771 in Schwanheim, Pfalz; died on 31 Mar 1815 in Schwanheim, Pfalz.
6. Anna Maria Christmann was born on 14 Sep 1774 in Schwanheim, Pfalz; died in in Schwanheim, Pfalz, Bayern.
7. Katharina Christmann was born on 21 May 1778 in Schwanheim, Pfalz; was christened on 22 May 1778 in Schwanheim, Pfalz; died on 11 Jan 1833 in Silz, Pfalz, Bayern; was buried on 13 Jan 1833 in Silz, Pfalz, Bayern.

Johannes married Margaretha Müller. Margaretha was born in 1700 in Pfalz, Bayern; died in in Schwanheim, Pfalz, Bayern. [Group Sheet] [Family Chart]