Born ‎4- Aug 1907 The Hague, Netherland, died ‎11-6-1943 Sobibor-Biala Podleska, Poland‎, 35 or 36 years. Son of Sander Jacob de Groot/ Sander and Naatje Barend Hakker/ Keij‏

Born ‎16-9-1913 Amsterdam, Netherland, died ‎11-6-1943 Sobibor-Biala Podleska, Poland‎, 29 or 30 years. Daughter of Abraham Allegro - Druif and Theodora de Jong - Sacksionie‏