Jan Willem Jacobus de Vos van Steenwijk Dutch politician (1882-1970) (1882–1970) Parents Jan Willem Jacobus de Vos van Steenwijk Mathilde Pauline Cornelia Adriana van Haersolte Children Johan Arend Godard de Vos van Steenwijk Siblings Hermanna Elisabeth Barones de Vos van Steenwijk Partners Wilhelmina Maria van Welderen-Rengers
