Pieter "Piet" Dijkgraaf, son of Jan Dijkgraaf and Elisabeth Schalk. Born 11 Dec 1934 Rotterdam, died 10 Jul 2008 Gouda, 73 years Married 03 Mar 1960 Rotterdam (IJsselmonde) (48 years married) to: Sonja Beukers Born 18 Jun 1936 Barendrecht, died 09 Jun 2017, 80 years Children: 1. Name Withheld PRIVACY FILTER2. Name Withheld PRIVACY FILTER |