 Corstina Dijkgraaf, daughter of Pieter Dijkgraaf and Willemtje Voogt.Born 06 Oct 1877 Brielle at 04:00 hour, died 06 Apr 1971 Rotterdam, 93 years Married 09 Jun 1904 Brielle (37 years married) to:  Okke van der Knoop, son of Pieter Jacobs van der Knoop and Aaltje Ruurds Potma.Born 20 Jun 1875 Workum, died 26 Mar 1942 Rotterdam (Schiebroek), 66 years, buried 29 Mar 1942 Hillegersberg, Nederlands Hervormde Begraafplaats. Occupation: reiziger Children: 1. Aaltje Martha van der KnoopBorn 16 Mar 1905 Rotterdam, died 23 Sep 1995 Rotterdam, 90 years 2. Pieter Jacob van der KnoopBorn 22 May 1907 Rotterdam, 117 years. Occupation: koopman in sportartikelen 3. Willemtje Cornelia van der KnoopBorn 30 Jun 1910 Rotterdam, died 16 Jul 1988 Rotterdam, 78 years, buried 22 Jul 1988 Rotterdam | |||