 Johannes Franciscus Adrianus "Jan" Dijkgraaf, son of Bartholomeus Leonardus Dijkgraaf and Adriana Antonia Maria Weeber.Born 23 Nov 1916 Delft, died 23 Nov 2016 Rotterdam, age 100 years, buried Rotterdam, Begraafplaats Hofwijk. Occupation: gereedschapsdraaier Married 25 Jun 1947 Delft, age 30 years (married 59 years) to:  Catharina "To" Ouwendijk, age by marriage 23 years, daughter of Jacobus Adrianus Ouwendijk and Bertha Maria Johanna Valkenburg.Born 11 Apr 1924 Delft, died 27 Jun 2006 Delft, age 82 years Children: | |||