 Gerrit van der WerffBorn 13 Nov 1924, died 13 Feb 2012 Rotterdam, 87 years, buried Rotterdam, Begraafplaats Rozenburg Married 27 Jul 1951 Krimpen aan den IJssel (49 years married) to:  Elizabeth Johanna Dijkgraaf, daughter of Pieter Dijkgraaf and Arieana Bol.Born 23 May 1927 Krimpen aan den IJssel, died 18 Jul 2001 Rotterdam, 74 years, buried Rotterdam, Begraafplaats Rozenburg | |||