/-Dirk KNOOPERS Lammert KNOOPERS \-Martha SCHOENMAKER
1 Lammert KNOOPERS =Louise KÖHLER Marriage: 1 May 1861, Arnhem, Gelderland, Nederland 2 Sophia Carolina Louisa KNOOPERS =Mechteltje IJSENDOORN Marriage: 20 Jan 1864, Renkum, Gelderland, Nederland