Born ‎16-9-1888 Avereest-Overijssel, Netherland, died ‎28-9-1942 Auschwitz, Katowice, Poland‎, 53 or 54 years. Son of David Davidson - Oppenheim and Sientje Victor Zilverberg - van der Horst‏

Born ‎7- Apr 1890 Amsterdam, Netherland, died ‎28-9-1942 Auschwitz-Biala Podleska, Poland‎, 51 or 52 years. Daughter of David Beesemer - Davidson and Mina Isaac Davidson - Oppenheim‏