Family with parents
father Parents AlbertusSlotboom EvertjeHendriksen	AlbertusSlotboom 1854–1936
mother Parents (unknown)	Gijsbertjevan Ede 1868–1936
himself Family (none)	WillemSlotboom 1890–1891
younger sister Family (none)	DerkjeSlotboom 1891–1908
younger sister Family (none)	Cornelia GijsbertaSlotboom 1893–1893
younger sister Family (none)	EvertjeSlotboom 1895–1912
younger sister Family (unknown) GijsbertjeSlotboom Private	BarthaSlotboom