Harmen married Maria Jansen Grootjen on 7 Dec 1851 in Schokland. Maria (daughter of Jan Cornelis Grootjen and Aaltje Teunissen Gertsen) was born on 26 Mar 1832 in Schokland; died on 10 Mar 1897 in Kampen. [Group Sheet] [Family Chart]

1. Lijsje Sul was born on 15 Oct 1852 in Schokland; died on 10 Aug 1926 in Kampen.
2. Jannetje Sul was born on 14 Sep 1854 in Schokland; died on 2 Mar 1918 in Kampen.
3. Aaltje Sul was born on 29 Oct 1856 in Schokland; died on 16 Jun 1860 in Kampen.
4. Grietje Sul was born on 5 May 1858 in Schokland; died on 22 Apr 1860 in Kampen.
5. Aaltje Sul was born on 6 Aug 1861 in Kampen; died on 24 Oct 1865 in Kampen.
6. Johannes Sul was born on 10 Apr 1865 in Kampen; died on 22 Nov 1952 in Eindhoven.
7. Dubbel Sul was born on 18 Mar 1868 in Kampen; died on 21 Sep 1941 in Zwolle.
8. Teunis Sul was born on 3 Nov 1870 in Kampen; died on 6 Feb 1911 in Kampen.