 Leonardus Johannes Anthonius "Leo" Dijkgraaf, son of Hendricus Petrus "Henk" Dijkgraaf and Geertruida "Truus" Nieuwpoort.Born 16 May 1912 Delft, died 23 Jan 1988 Delft, 75 years, buried Delft, Iepenhof. Occupation: winkelier Married 27 Feb 1935 Delft (52 years married) to:  Hendrika Maria "Riek" van Slingerland, daughter of Gerardus "Gerrit" van Slingerland and Hendrika Maria "Riek" De Jongh.Born 01 Feb 1908 Delft, died 17 Feb 2011 Delft, 103 years, buried Delft, Iepenhof Child: | |||