Born ‎31-7-1890 Amsterdam, Netherland, died ‎11-6-1943 Sobibor-Biala Podleska, Poland‎, 52 or 53 years. Son of Jacob Oppenheijm and Rebekka de Vries‏

Born ‎14-8-1893 Rotterdam, Netherland, died ‎11-6-1943 Sobibor-Biala Podleska, Poland‎, 49 or 50 years