 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, age 89 years. Occupation: vertegenwoordiger Married 06 Sep 1946 's-Gravenhage, age 34 years (married 53 years) to:  Agatha Aleida "Agaath" Hoffman, age by marriage 33 years, daughter of Dirk Hoffman and Agatha Wiekenkamp.Born 30 Oct 1912 Utrecht, died 31 Jan 2000 Gouda, age 87 years. Occupation: kantoorbediende | |||