Family with parents
father Parents MaasSlotboom Geertruivan de Bovenkamp	HendricusSlotboom 1871–1895
mother Parents Albertusvan den Bosch Dirkjevan der Meijden	Herminavan den Bosch 1870–1943
elder sister Family (none)	GeertruidaSlotboom 1890–1944
elder brother Family Corneliavan Ravenswaaij HendrikusSlotboom AlbertusSlotboom HerminaSlotboom	AlbertusSlotboom 1892–1917
herself Family (none)	DerkjeSlotboom 1894–1963
Mother’s family with Carl Heinrich FriedrichWittrock
step-father Parents Heinrich Friedrich WilhelmWittrock Meta GesinaHappe	Carl Heinrich FriedrichWittrock 1856–1934
mother Parents Albertusvan den Bosch Dirkjevan der Meijden	Herminavan den Bosch 1870–1943
half-sister Family Johannes HendrikusBielevelt	HerminaWittrock 1897–1918
half-sister Family Johan BernardNacken Private	HenniWittrock 1898–1975
half-sister Family (none)	FredriekaWittrock