 Jan Christiaan "Jan" Dijkgraaf, son of Daniël Dijkgraaf and Maria Christina Wilhelmina "Marie" Berg.Born 16 Jul 1912 's-Gravenhage, died 02 Dec 2001 Reeuwijk, 89 years. Occupation: vertegenwoordiger Married 06 Sep 1946 's-Gravenhage (53 years married) to:  Agatha Aleida "Agaath" Hoffman, daughter of Dirk Hoffman and Agatha Wiekenkamp.Born 30 Oct 1912 Utrecht, died 31 Jan 2000 Gouda, 87 years. Occupation: kantoorbediende | |||