1. | Willemina Helena van den Berg was born on 12 May 1897 in Sloterdijk. Willemina married Jan Kooijstra on 7 Sep 1920 (onbekend) in Apeldoorn. Jan (son of Reinder Kooijstra and Wijmpje Ketz) was born on 5 May 1893 in Arnhem. [Group Sheet] [Family Chart] |