Johann married Anna Maria Knoll 7 Jul 1818, Ilsfeld, Heilbronn, Baden-Wurttemberg, Germany. Anna (daughter of Johann Michael Knoll and Jacobina Elisabetha Obenland) was born 7 Jan 1792, Ilsfeld, Heilbronn, Baden-Wurttemberg, Germany; was christened 8 Jan 1792, Ilsfeld, Heilbronn, Baden-Wurttemberg, Germany. [Group Sheet]