 Jacob Dijkgraaf, son of Izak Cornelis Dijkgraaf and Maaike Blommers.Born 26 Aug 1915 Rotterdam, died 20 Apr 1989 Vlaardingen, age 73 years. Occupation: magazijnmeester Wilton Feijenoord/havenarbeider/verfspuiter Married 04 Sep 1952 Schiedam, age 37 years (married 36 years) to:  Petronella Verbruggen, age by marriage 39 years, daughter of Willem Verbruggen and Adriana van Oosten.Born 01 Jun 1913 Vlaardingen, died 18 Sep 1999 Vlaardingen, age 86 years, 1st marriage (divorced) to: Antoon Hubert Verkoeien, 2nd marriage to: Jacob Dijkgraaf | |||