 Johannis Janson, son of Cornelis Janson and Leentje van den Berg.Born 27 Nov 1875 Nieuwenhoorn at 12:00 hour, died 08 Apr 1952 Oostvoorne, 76 years. Occupation: machinist Married 08 Feb 1900 Heenvliet (47 years married) to:  Leuntje Cornelia Dijkgraaf, daughter of Pieter Dijkgraaf and Johanna Kramer.Born 14 Dec 1869 Heenvliet (Nieuwesluis) at 02:30 hour, died 11 Jan 1948 Oostvoorne at 08:00 hour, 78 years, 1st marriage to: Coenradus Fredericus Bakker, 2nd marriage to: Johannis Janson | |||