Johannes married Elisabetha Mersensky on 11 Jan 1844 in Albersweiler, Pfalz, Bayern. Elisabetha (daughter of Heinrich Balthasar Mersensky and Klara Gaab) was born on 20 Jul 1819 in Albersweiler, Pfalz, Bayern. [Group Sheet] [Family Chart]

1. Katharina Fischer was born on 26 Feb 1844 in Albersweiler, Pfalz, Bayern.
2. Jakob Fischer was born on 2 Jul 1845 in Albersweiler, Pfalz, Bayern; died on 12 Jun 1846 in Albersweiler, Pfalz, Bayern.
3. Johannes Fischer was born on 19 Mar 1847 in Albersweiler, Pfalz, Bayern.
4. Magdalena Fischer was born on 20 May 1850 in Albersweiler, Pfalz, Bayern; died on 24 Mar 1881 in Albersweiler, Pfalz, Bayern.
5. Christina Fischer was born on 19 May 1852 in Albersweiler, Pfalz, Bayern; died on 18 Dec 1852 in Albersweiler, Pfalz, Bayern.
6. Johannes Adam Fischer was born on 18 Feb 1854 in Albersweiler, Pfalz, Bayern.

Johannes married Elisabetha Köstler. Elisabetha was born in in Gräfenhausen, Pfalz. [Group Sheet] [Family Chart]