Family with parents
father Parents JanOomkens Alegonda ElisabethPierius	JanOomkens 1746–1832
mother Parents (unknown)	HarmannaStheeman 1751–1818
elder sister Family (none)	Alagonda ElisabethOomkens 1773–1773
elder brother Family (none)	HaikoOomkens 1775–1784
elder brother Family (none)	JanOomkens 1776–1776
elder brother Family Wendelina Agathavan der Veen	JanOomkens 1779–1844
elder brother Family (none)	HaikoOomkens 1784–1789
himself Family (none)	SijpkoOomkens 1785–1786
younger sister Family (none)	Alagonda EilsabethOomkens 1786–1789
younger brother Family (none)	Sijpko MariaOomkens