Born ‎1878 Utrecht, Netherland, died ‎13-2-1918 Rotterdam, Netherland‎, 39 or 40 years. Son of Abraham Bernard Os and Heintje Israel de Groot - Kosman‏

Born ‎26-6-1884 Rotterdam, Netherland, died ‎16-8-1942 Auschwitz-Biala Podleska, Poland‎, 57 or 58 years. Daughter of Abraham Emanuel Goudsmit - van Emden and Vrouwtje Salomon Vos - Jacobs‏