On 31 Dec 1830 when Harm Jans was 27, he married
Grietje Jans Sassen, daughter of
Jannes Harms Sassen (ca 1782-21 Nov 1861) &
Imke Hanssens Kuipers (14 Oct 1783-10 Apr 1845), in Vlagtwedde, Groningen.
Born on 9 Nov 1809 in Ter Apel (Vlagtwedde), Groningen. Grietje Jans died in Maten (Emmen), Drenthe, on 24 Oct 1881; she was 71.