Johannes married Maria Barbara Schwein about 1778 in Rülzheim, Pfalz. Maria (daughter of Vitus Schwein and Maria Barbara Martz) was born on 4 Apr 1756 in Steinweiler, Pfalz; was christened on 4 Apr 1756 in Steinweiler, Pfalz; died in in Landau, Odessa, Ukrayina. [Group Sheet] [Family Chart]

1. Maria Eva Leingang was born on 10 Dec 1779 in Rülzheim, Pfalz.
2. Eva Katharina Leingang was born on 23 Mar 1784 in Rülzheim, Pfalz.
3. Maria Katharina Leingang was born on 17 Aug 1786 in Rülzheim, Pfalz.
4. Johannes Franziskus Leingang was born on 15 Dec 1788 in Rülzheim, Pfalz.
5. Georg Michael Leingang was born on 10 Jan 1791 in Rülzheim, Pfalz; died in in Landau, Odessa, Ukrayina.
6. Valentin Leingang was born on 15 Jul 1794 in Bellheim, Pfalz; died on 5 Apr 1860 in Millstadt, St. Clair County, Illinois, USA.