Johann married Rosina Sophia Elisabetha Sommer 23 Jul 1799, Ohrnburg, Baden-Württemberg, Germany. Rosina (daughter of Johann Georg Ludwig Sommer and Christina Catharina Tuedinger) was born 30 Jun 1773, Ohrnburg, Baden-Württemberg, Germany; was christened 1 Jul 1773, Ohrnburg, Baden-Württemberg, Germany. [Group Sheet]