 Klaas Coenraads, son of Mattheus Coenraads and Jannetje van der Ree.Born 12 Mar 1915 's-Gravenhage, died 15 Nov 1990 Leidschendam, age 75 years. Occupation: statisticus Married 15 Aug 1969 's-Gravenhage, age 54 years (married 21 years) to:  Maria Martha "Rietje" Dijkgraaf, age by marriage 55 years, daughter of Daniël Dijkgraaf and Maria Christina Wilhelmina "Marie" Berg.Born 19 Dec 1913 's-Gravenhage, died 19 Mar 2007 's-Gravenhage, age 93 years, 1st marriage (divorced) to: Dirk Samson, 2nd marriage to: Klaas Coenraads | |||