 Cornelis Johannes "Cor" Dijkgraaf, son of Pieter Volbrecht Dijkgraaf and Dirkje Oudwater.Born 07 Sep 1909 Rotterdam, died 15 Dec 1999 Rotterdam, 90 years, cremation 20 Dec 1999 Rotterdam, crematorium Rotterdam-Zuid. Occupation: kantoorbediende/schrijver/loodsbaas Married 08 Feb 1933 Rotterdam (32 years married) to:  Helena "Lena" Kroon, daughter of Machiel Kroon and Pieternella Philipse.Born 11 Mar 1908 Rotterdam, died 18 Feb 1965 Rotterdam, 56 years Children: | |||
| 2nd marriage/ relation Cornelis Johannes "Cor" Dijkgraaf, son of Pieter Volbrecht Dijkgraaf and Dirkje Oudwater. Married/ Related to: | |||