 Name Withheld, son of Gerhardus "Gerard" Dijkgraaf ridder in de Orde van Oranje Nassau and Name Withheld. PRIVACY FILTERMarried/ Related to:  Jolanda Vis PRIVACY FILTERChildren: 1. Wilbert Dijkgraaf PRIVACY FILTER2. Elbert-Jan Dijkgraaf PRIVACY FILTER | |||