1 Helena Catharina DEUNK =Jan GERRITSEN 2 Johanna Petronella GERRITSEN =Hendrik Gijsbert KNOOPS Marriage: 24 Feb 1847, Arnhem, Gelderland, Nederland 3 N.N. KNOOPS 3 Aletta Helena KNOOPS =Jan Dirk Christiaan Marie ROOS de Marriage: 29 Feb 1872, Arnhem, Gelderland, Nederland 3 Jan Hendrik (Jan Abraham) KNOOPS =Diederica Sophia ROOS de Marriage: 29 Aug 1872, Arnhem, Gelderland, Nederland