1 Fredericus Johannes KNOOPS =Paulina Christina LOMAN 2 Fredericus Johannes KNOOPS =Rosalie Leonie BARKEIJ 3 Felicita KNOOPS =Frederik Jacob STRUBEN 3 Fredericus Johannes KNOOPS =Johanna Wilhelmina NOPPEN van Marriage: 28 Jan 1928, Haarlem, Noord-Holland, Nederland 2 Maria Anna Sara KNOOPS 2 Pauline Christina KNOOPS