Johannes married Magdalena Edrich on 6 Jul 1835 in Rodalben, Pfalz, Bayern. Magdalena (daughter of Johannes Edrich and Maria Eva Lang) was born on 15 May 1808 in Rodalben, Pfalz; was christened on 15 May 1808 in Rodalben, Pfalz; died on 26 Apr 1882 in Dahn, Pfalz, Bayern. [Group Sheet] [Family Chart]

1. Franz Anton Koch was born on 9 Nov 1835 in Dahn, Pfalz, Bayern; was christened on 15 Nov 1835 in Hinterweidenthal, Pfalz, Bayern; died on 21 Mar 1892 in Dahn, Pfalz, Bayern.
2. Barbara Koch was born on 18 May 1837 in Dahn, Pfalz, Bayern; was christened on 21 May 1837 in Dahn, Pfalz, Bayern.
3. Lorenz Koch was born on 1 Jun 1838; was christened on 1 Jun 1838 in Hinterweidenthal, Pfalz, Bayern.
4. Elisabeth Koch was born on 4 Aug 1839 in Dahn, Pfalz, Bayern; was christened on 7 Aug 1839 in Dahn, Pfalz, Bayern.
5. Jakob Koch was born on 6 Dec 1840; was christened on 6 Dec 1840 in Hinterweidenthal, Pfalz, Bayern.
6. Joseph Koch was born on 7 Feb 1842 in Dahn, Pfalz, Bayern; was christened on 8 Feb 1842 in Dahn, Pfalz, Bayern; died on 30 Apr 1842 in Dahn, Pfalz, Bayern.