Bron Titel: Geneanet (de Jong) Datum: http://gw4.geneanet.org/index.php3?b=pmprins&lang=nl;p=pieternella;n=de+jong;oc=2 Onderwerp: http://gw5.geneanet.org/index.php3?b=visser&lang=fr;pz=aart+robert+wouter;nz=van+der+waal;ocz=0;p=jan;n=de+jong;oc=21