Family with parents
father Parents WillemRoor Jacobavan Laar	KlaasRoor 1842–1926
mother Parents Jacobusvan Dijk Klaartjevan Ravenswaaij	Elizabethvan Dijk 1837–1894
himself Family (none)	WilhelmRoor 1869–1931
younger sister Family JacobSlotboom JacobSlotboom Elisabeth“Tante Beth” Slotboom Christina“Tante Stien” Slotboom KlaasSlotboom Gerardus“Gerrard” Slotboom Wilhelmina“Tante Mien” Slotboom Cornelia“Corrie” Slotboom JacobusSlotboom	KlaartjeRoor 1870–1942
younger sister Family CornelisDiepeveen GijsbertDiepeveen GerritjeDiepeveen	JacobaRoor