On 10 Jul 1740 Jan married 
Wendelke Berents Liefstingh, daughter of 
Berent Mennes Liefstingh & 
Grietien Jans Haesken, in Sellingen (Vlagtwedde), Groningen.
 Born ca May 1719 in Weende (Vlagtwedde), Groningen. Wendelke Berents was baptized in Vlagtwedde, Groningen, on 14 May 1719. Wendelke Berents died aft 1783.