Harmannus married Helena Teijzen (Thesen) on 20 May 1798 in Groningen. [Group Sheet] [Family Chart]

1. Reijnerus Gasparus Fransen was christened on 22 Apr 1799 in Groningen; died on 25 Aug 1859 in Eenrum.
2. Josephus Mattheus Fransen was christened on 25 Mar 1802 in Groningen; died on 16 May 1860 in Groningen.
3. Joanna Maria Fransen was christened on 26 Sep 1804 in Groningen.
4. Hermannus Fransen was christened on 20 Sep 1806 in Groningen; died on 22 Jan 1808 in Groningen.