Jakob married Marie Frederike Mayer on 7 Nov 1757 in Clausen, Pfalz, Bayern. Marie (daughter of Johannes Nikolaus Mayer and Maria Elisabetha Schäfer) was born on 18 Jul 1728 in Trippstadt, Pfalz, Bayern; died on 8 Aug 1811 in Clausen, Pfalz, Bayern. [Group Sheet] [Family Chart]