Born ‎1- Mar 1890 Amsterdam, Netherland, died ‎23-4-1943 Sobibor-Biala Podleska, Poland‎, 52 or 53 years. Son of Hartog Roos and Betje Landsberger‏

Born ‎12-9-1887 Groningen-Groningen, Netherland, died ‎23-4-1943 Sobibor-Biala Podleska, Poland‎, 55 or 56 years. Daughter of Nathan van Gelder/ Oppenhei and Rika Cohen/ de Jon‏