Jan married Hylken van der Kooi, daughter of Jan Rypkes van der Kooi(j) and Tietske Steffens. (Hylken van der Kooi was born circa 1760 in Suawoude Tietjerksteradeel Friesland Netherlands and died on 29 May 1846 in Garijp (Garyp) Tietjerksteradeel Friesland Netherlands.)
