On 13 Apr 1789 Jan Harms first married
Lijsabeth Jans Tees, daughter of
Jan Bruins Tees (ca May 1734-30 Mar 1799) &
Geertje Geerts Meeuws (ca 1732-17 Nov 1818), in Sellingen (Vlagtwedde), Groningen.
Born ca Sep 1761 in Onstwedde, Groningen. Lijsabeth Jans was baptized in Onstwedde, Groningen, on 27 Sep 1761. Lijsabeth Jans died ca 1790.
Lijsabeth first married Roelf Jans Meendering, second Jan Harmannus Twiest.