Born ‎10-10-1893 Amsterdam, Netherland‎. Son of Isaac Salomon van Velzen and Schoontje Grijsaart‏

Born ‎7-11-1894 Amsterdam, Netherland, died ‎24-9-1943 Auschwitz-Katowice, Poland‎, 48 or 49 years. Daughter of Mozes Waterman and Esther de Korte‏