Family with parents
father Parents WillemSlotboom GrietjeWijnveld	Gijsbertus HelenusSlotboom 1853–1884
mother Parents Jacobusde Roos Johanna MagdalenaSlotboom	Jacoba Johanna Magdalenade Roos 1856–1923
elder brother Family Anna Corneliavan Wijk	WillemSlotboom