Born ‎13-11-1880 Amsterdam, Netherland, died ‎4- Jun 1943 Sobibor-Biala Podleska, Poland‎, 62 or 63 years. Occupation: ‎15-2-1906 Amsterdam, Netherland. Son of Salomon Werkheim and Schoontje Blog‏

Born ‎11-8-1882 Amsterdam, Netherland‎. Daughter of Godfried Salomon van Bever and Esther van Gelder‏