Jannigje Plonia "Jans" van Loon, daughter of Leendert Johannes van Loon and Plonia Slaa.Born 16 Jun 1913 Rotterdam, died 09 Nov 1990 Rotterdam, age 77 years Married 18 Jul 1934 Rotterdam, age 21 years (married 56 years) to: Pieter "Piet" Dijkgraaf, age by marriage 18 years, son of Pieter Dijkgraaf and Wilhelmina Johanna Hommel.Born 23 Jan 1916 Rotterdam, died 25 Jul 1991 Rotterdam, age 75 years. Occupation: houtbewerker/los werkman/machinist koolzuurfabriek Children: 11. Johanna Plonia DijkgraafBorn 21 Oct 1934 Rotterdam, died 17 Feb 1995 Rotterdam, age 60 years 12. Hubertus Hermanus "Bertus" DijkgraafBorn 11 Nov 1936 Rotterdam, died 21 Jan 1990 Culemborg, age 53 years | |||

