1 Magdalena GABRIEL =Willem ARENTSEN 2 Dorothea Frederika (Theodora) ARENTS (ARENTSEN) =Theodorus KNOOPS Marriage: 8 Apr 1829, Arnhem, Gelderland, Nederland 3 Johannes Stephanus KNOOPS 3 Alexander KNOOPS =Johanna WEERDESTEIN Marriage: 27 Nov 1858, Soest 3 Theodorus KNOOPS 3 Anna KNOOPS 3 Theodorus Antonius KNOOPS