Born: 6 Mar 1743, Asperg, Ludwigsburg, Wuerttemberg, Germany
Marriage: Catharina Barbara Merklin 23 Nov 1767
Johann married Catharina Barbara Merklin, daughter of Johann Georg Merklin and Maria Catharina Zibold, on 23 Nov 1767. (Catharina Barbara Merklin was born about 1747 of Asperg, Ludwigsburg, Wuerttemberg, Germany.)