 Wilhelmina "Willie" Dijkgraaf, daughter of Hendrik Dijkgraaf and Johanna van Antwerpen.Born 16 May 1911 Rotterdam, died 16 Oct 1990 Rotterdam, 79 years Married 25 Jan 1933 Rotterdam (57 years married) to:  Abraham Klaassen, son of Izak Marinus Klaassen and Marina Franke.Born 03 Aug 1910 Rotterdam, died 30 Jul 1996 Rotterdam, 85 years Children: 1. Name Withheld PRIVACY FILTER2. Name Withheld PRIVACY FILTER | |||