Born ‎13-2-1919 Haarlem, Netherland, died ‎24-7-1980 Amsterdam, Netherland‎, 60 or 61 years. Son of David van Gelder - Valk and Esther de Vries - Dondorp‏

Born ‎6- May 1925 Amsterdam, Netherland, died ‎23-1-1992 Amsterdam, Netherland‎, 66 or 67 years. Daughter of Jonas David Hakker/ Mo and Clasina Wilhelmina Kreuk‏