Johann married Maria Barbara Obenland 24 Jun 1794, Marbach, Neckarkreis, Wurttemburg, Germany. Maria (daughter of Johann Jakob Obenland and Maria Barbara Luithl) was born 7 Dec 1766, Ilsfeld, Heilbronn, Baden-Wurttemberg, Germany; was christened 7 Dec 1766, Ilsfeld, Heilbronn, Baden-Wurttemberg, Germany. [Group Sheet]

1. Adam Friedrich Barth was born 31 Aug 1804, Marbach, Neckarkreis, Wurttemburg, Germany; was christened 2 Sep 1804, Marbach, Neckarkreis, Wurttemburg, Germany.
2. Christoph Friedrich Barth was born 15 Mar 1800, Marbach, Neckarkreis, Wurttemburg, Germany; died 20 Sep 1807, Marbach, Neckarkreis, Wurttemburg, Germany.
3. Christiana Friederica Barth was born 3 Apr 1795; was christened 3 Apr 1795, Marbach, Neckarkreis, Wurttemburg, Germany.
4. Johann Friedrich Barth was born 3 Feb 1798, Marbach, Neckarkreis, Wurttemburg, Germany.
5. Wilhelmine Elisabethe Barth was born 2 Mar 1809; died 1 Jan 1872.