Heinrich married Marie Marguerithe GORENFLO on 21 Apr 1769 in Friedrichstal, Freudenstadt, Baden-Württemberg, Germany. Marie (daughter of Jacques GORENFLO and Marie Madaleine MAURER) was born on 8 Apr 1750 in Friedrichstal, Freudenstadt, Baden-Württemberg, Germany; died on 8 Apr 1794 in Friedrichstal, Freudenstadt, Baden-Württemberg, Germany. [Group Sheet] [Family Chart]

1. Johanna Margaretha GASSMANN was born on 5 Sep 1767 in Friedrichstal, Freudenstadt, Baden-Württemberg, Germany; died on 24 Mar 1769 in Friedrichstal, Freudenstadt, Baden-Württemberg, Germany.
2. Johann Christoph GASSMANN was born on 10 Jan 1769 in Friedrichstal, Freudenstadt, Baden-Württemberg, Germany.
3. Christina GASSMANN was born on 12 Sep 1770 in Friedrichstal, Freudenstadt, Baden-Württemberg, Germany; died on 23 Sep 1770 in Friedrichstal, Freudenstadt, Baden-Württemberg, Germany.
4. Christoph GASSMANN was born on 20 Oct 1771 in Friedrichstal, Freudenstadt, Baden-Württemberg, Germany.
5. Margaretha GASSMANN was born on 2 Aug 1773 in Friedrichstal, Freudenstadt, Baden-Württemberg, Germany.
6. Christina GASSMAN was born on 21 Oct 1774 in Friedrichstal, Freudenstadt, Baden-Württemberg, Germany; died on 14 Nov 1774 in Friedrichstal, Freudenstadt, Baden-Württemberg, Germany.
7. Catharina GASSMAN was born on 26 Sep 1775 in Friedrichstal, Freudenstadt, Baden-Württemberg, Germany; died on 19 Nov 1775 in Friedrichstal, Freudenstadt, Baden-Württemberg, Germany.
8. Christina GASSMAN was born on 24 Oct 1776 in Friedrichstal, Freudenstadt, Baden-Württemberg, Germany; died on 2 Oct 1782 in Friedrichstal, Freudenstadt, Baden-Württemberg, Germany.
9. Peter GASSMAN was born on 28 Aug 1778 in Friedrichstal, Freudenstadt, Baden-Württemberg, Germany.
10. Jakob Friedrich GASSMAN was born on 16 Aug 1780 in Friedrichstal, Freudenstadt, Baden-Württemberg, Germany; died on 28 Sep 1780 in Friedrichstal, Freudenstadt, Baden-Württemberg, Germany.
11. Catharina GASSMAN was born on 10 Sep 1781 in Friedrichstal, Freudenstadt, Baden-Württemberg, Germany; died on 6 Nov 1781 in Friedrichstal, Freudenstadt, Baden-Württemberg, Germany.
12. Christina GASSMAN was born on 3 Nov 1782 in Friedrichstal, Freudenstadt, Baden-Württemberg, Germany.
13. Catharina GASSMAN was born on 23 Jan 1785 in Friedrichstal, Freudenstadt, Baden-Württemberg, Germany; died on 22 Feb 1785 in Friedrichstal, Freudenstadt, Baden-Württemberg, Germany.
14. Jakob GASSMAN was born on 28 Mar 1786 in Friedrichstal, Freudenstadt, Baden-Württemberg, Germany.
15. Heinrich GASSMANN was born on 1 Sep 1787 in Friedrichstal, Freudenstadt, Baden-Württemberg, Germany; died on 18 Sep 1787 in Friedrichstal, Freudenstadt, Baden-Württemberg, Germany.
16. Catharina GASSMANN was born on 14 Feb 1789 in Friedrichstal, Freudenstadt, Baden-Württemberg, Germany; died on 21 Dec 1860.
17. Magdalena GASSMANN was born on 12 Jun 1791 in Friedrichstal, Freudenstadt, Baden-Württemberg, Germany; died on 7 Sep 1791 in Friedrichstal, Freudenstadt, Baden-Württemberg, Germany.