1 Helena Hubertina KNIPPENBERG =Peter Hubertus KNOOPS Marriage: 12 Apr 1907, Beegden 2 Maria Cornelia Hubertina KNOOPS =Peter Mathias TONNAER Marriage: 24 Apr 1928, Wessem 2 Catharina Maria Hubertina KNOOPS =Johannes Lambertus HAMERS Marriage: 20 Apr 1931, Wessem