1 Mechtildis MUIJRIS =Joannes Wilhelmus KNOOPS Marriage: 5 Oct 1872, Echt 2 Maria Catharina KNOOPS =Joannes Baptist KELFT van de Marriage: 7 Oct 1895, Echt 2 Helena KNOOPS 2 Maria Barbara KNOOPS 2 Peter Joannes KNOOPS