1. | Johannes Duijker was born on 3 Feb 1912 in Amsterdam. Johannes married Susanna Magdalena Vaal on 27 Jul 1939 in Landsmeer. Susanna (daughter of Cornelis Hendrikus Vaal and Johanna Elisabeth Geertruida Boode) was born on 22 Apr 1916 in Amsterdam. [Group Sheet] [Family Chart] |