 Hendrik Dijkgraaf, son of Krijn Dijkgraaf and Janna Piek.Born 07 Jul 1867 Spijkenisse at 07:00 hour, died 28 Jun 1940 Rotterdam, 72 years. Occupation: los werkman Married 20 Feb 1901 Rotterdam (38 years married) to:  Elisabeth Kuijpers, daughter of N.N. and Dorothea Edelenbosch.Born 03 May 1855 Den Helder, died 07 Sep 1939 Rotterdam, 84 years | |||