Jacob married Catharina Lehmann on 12 Oct 1699 in Gamshurst, Baden, GER. Catharina was born on 6 Feb 1681 in Gamshurst, Baden, GER; died on 4 Dec 1735 in Gamshurst, Baden, GER. [Group Sheet] [Family Chart]

1. Eva Back was born on 29 Nov 1700 in Gamshurst, Baden, GER; died on 9 Sep 1734 in Waldulm, Baden, GER.
2. Christina Back was born on 26 Feb 1702 in Gamshurst, Baden, GER; died on 24 Jun 1702 in Gamshurst, Baden, GER.
3. Catharina Back was born on 29 Sep 1703 in Gamshurst, Baden, GER; died on 22 Feb 1775 in Gamshurst, Baden, GER.
4. Anna Maria Back was born on 2 Dec 1705 in Gamshurst, Baden, GER; died on 24 Feb 1706 in Gamshurst, Baden, GER.
5. Georg Back was born on 8 Feb 1708 in Gamshurst, Baden, GER; died on 7 Nov 1735 in Michelbuch, Baden, GER.
6. Gertrud Back was born on 10 Feb 1711 in Gamshurst, Baden, GER; died on 2 Mar 1770 in Gamshurst, Baden, GER.
7. Matthias Back was born on 26 Jan 1713 in Gamshurst, Baden, GER; died in 1790 in Baden, GER.

Jacob married Elisabetha Himpele on 26 Nov 1714 in Gamshurst, Baden, GER. Elisabetha (daughter of Caspar Himpele and Christina Seiler) was born on 9 Aug 1689 in Gamshurst, Baden, GER; died on 15 Aug 1726 in Gamshurst, Baden, GER. [Group Sheet] [Family Chart]

1. Anna Marie Back was born on 6 Sep 1715 in Gamshurst, Baden, GER.
2. Joseph Back was born on 24 Nov 1716 in Gamshurst, Baden, GER.
3. Stanislaus Back was born on 23 Feb 1725 in Gamshurst, Baden, GER.

Georg married Christina Haas. Christina was born before 1639; died on 8 Mar 1695 in Gamshurst, Baden, GER. [Group Sheet] [Family Chart]