Jan married Lummechijen Pieters.
They had the following children:
2 F i Geesijen Jans Haveman was born on 20 Apr 1703 in Wapse. + 3 M ii Jan Jans Haveman 4 M iii Jan Klaesen Jans Haveman was born on 11 Aug 1709 in Wapse. 5 M iv Jannes Haveman was born on 11 Jan 1688 in Wapse. 6 M v Jannes Haveman was born in 1695 in Wapse. Jannes was employed as Timmerman. 7 F vi Jantijn Jans Haveman was born on 2 Apr 1693 in Wapse. + 8 M vii Klaas Jans Haveman 9 M viii Lucas Jans Haveman was born on 30 Jul 1713 in Wapse. 10 F ix Lummechijen Jans Haveman was born in Jul 1705 in Wapse. 11 M x NN Haveman was born on 13 May 1691 in Wapse. He died on 13 May 1691 in Wapse.