Born ‎15-5-1910 Amsterdam, Netherland, died ‎8-10-1942 Auschwitz-Biala Podleska, Poland‎, 31 or 32 years. Occupation: Worker cigarrette factory. Daughter of Leendert de Boer - van Sisteren and Elisabeth Cracau - Stern‏

Born ‎25-7-1892 Amsterdam, Netherland, died ‎7- Feb 1945 Gross Rosen‎, 52 or 53 years. Occupation: Diamond polisher, ‎1st marriage to: Jeannette Pront - Wertheim, ‎2nd marriage to: Sientje de Boer - Cracau. Son of Zacharias Walvis and Fijtje Posener‏