Jan married Dettje Melles Fennema, daughter of Melle Folkerts Fennema and Trijntje Paulus de Jong, on 8 Mar 1848 in Bergum (Burgum) Tietjerksteradeel Friesland Netherlands. (Dettje Melles Fennema was born on 10 Sep 1822 in Sumar (Suameer) Tietjerksteradeel Friesland Netherlands and died on 28 Feb 1876 in Sumar (Suameer) Tietjerksteradeel Friesland Netherlands.)
