 Gerrit Dijkgraaf, son of Jan Dijkgraaf and Aplonia Lidewij Lagendijk.Born 09 Jan 1904 Rotterdam, died 15 Jun 1990 Rotterdam, 86 years. Occupation: bikker Married 05 Oct 1938 Rotterdam (51 years married) to:  Dina Toebak, daughter of Anthonie Toebak and Catharina Tabak.Born 03 Apr 1906 Hoge en Lage Zwaluwe, died 23 Aug 1991 Rotterdam, 85 years | |||