Willem Benjamin van Dam/ Marcu Born 20-8-1889 Groningen-Groningen, Netherland. Son of Benjamin Willem van Dam/ Vellema and Elizabeth Marcus/ Israe Married to: Wilhelmina van Gelder/ van de Rhoe Born 21-4-1889 Groningen-Groningen, Netherland. Daughter of Levie-Levy Josef-Joseph van Gelder/ Fran and Sara van de Rhoer/ Roo |