Family with parents
father Parents Wesselius JanszoonHemmelder Gesina“Geessjen” Berflo	BernardusHemmelder 1752–1827
mother Parents HenricusBoom HendrinaWilberink	Maria CatharinaBoom 1753–1779
elder brother Family HerminaMorscate MariaHemmelder MariaHemmelder AlbertusHemmelder MariaHemmelder Jan HendrikHemmelder CatharinaHemmelder BerendinaHemmelder HermineHemmelder JohannesHemmelder GerhardusHemmelder	GerardusHemmelder 1776–1845
himself Family Anna Catharina“Anna Catharina Sobbing” Söbbing BernardusHemmelder Johannes AdolphusHemmelder ElisabethHemmelder HerminaHemmelder Johanna MariaHemmelder Hendrikus JacobusHemmelder Franciscus AlbertusHemmelder Anna CatharinaHemmelder AlbertusHemmelder Maria TheresiaHemmelder	HendricusHemmelder 1777–1825
Father’s family with Euphemia MariaZijhoff
father Parents Wesselius JanszoonHemmelder Gesina“Geessjen” Berflo	BernardusHemmelder 1752–1827
step-mother Parents LubertusZijhoff Angela MariaWiggerinck	Euphemia MariaZijhoff 1760–1808
half-sister Family Jacobus AntoniusSandaal Henricus LubertusSandaal Fredericus HemelderSandaal Euphemia MariaSandaal	Angela Berta MariaHemmelder 1781–1825
half-sister Family Jan“Jo(H)annes” Rooseboom LambertusRooseboom TheodorusRooseboom TheodorusRooseboom Maria EuphemiaRooseboom Bartha Lucia Thresia“Theresia” Rooseboom Alberta Maria“Bartha” Rooseboom Johannes LubbertusRooseboom	Johanna MariaHemmelder 1782–1815
half-brother Family (none)	WesselHemmelder 1784–1787
half-sister Family (none)	Anna MariaHemmelder