Johannes married Maria Margaretha Lörch on 8 Jan 1753 in Busenberg, Pfalz. Maria (daughter of Joseph Lörch and Anna Maria Dietz) was born in 1735 in Gossersweiler, Pfalz; died on 15 Dec 1795 in Salmbach, Bas-Rhin, Alsace, France. [Group Sheet] [Family Chart]

1. Margaretha Gerhardstein was born in 1753 in Lindelbrunnerhof, Pfalz; died on 22 Jan 1830 in Busenberg, Pfalz, Bayern.
2. Georg Jakob Gerhardstein was born on 13 Feb 1755 in Busenberg, Pfalz, Bayern; died on 8 Nov 1814 in Seltz, Bas-Rhin, Alsace, France.
3. Georg Adam Gerhardstein was born in 1758 in Busenberg, Pfalz; died on 26 May 1823 in Siegen, Bas-Rhin, Alsace, France.
4. Georg Michael Gerhardstein was born in 1760 in Wilgartswiesen, Pfalz; died on 7 Mar 1833 in Bas-Rhin, Alsace, France.
5. Wilhelm Gerhardstein was born on 28 Jul 1761 in Busenberg, Pfalz, Bayern; died on 29 Oct 1821 in Salmbach, Bas-Rhin, Alsace, France.
6. Georg Peter Gerhardstein was born in 1765 in Busenberg, Pfalz; died on 18 May 1834 in Bärenbrunnerhof, Pfalz, Bayern.
7. Anna Maria Gerhardstein was born on 20 Oct 1766 in Busenberg, Pfalz, Bayern; died on 19 Feb 1835 in Salmbach, Bas-Rhin, Alsace, France.
8. Maria Elisabetha Gerhardstein was born on 15 Jul 1771 in Busenberg, Pfalz, Bayern; died in 1814 in Kandel, Odessa, Ukrayina.

Johannes married Maria Barbara Dreyer. Maria was born in 1705 in Pfalz; died on 24 Aug 1755 in Hofstätten, Pfalz. [Group Sheet] [Family Chart]