Born ‎31-7-1889 Amsterdam, Netherland, died ‎19-10-1942 Auschwitz-Katowice, Poland‎, 52 or 53 years. Daughter of Nathan Isaac Ketellapper/ van Praa and Maria (Samuel) Pruijm/ de Bee‏

Born ‎12-12-1885 Groningen-Groningen, Netherland, died ‎7-10-1942 Mauthaussen, Austria‎, 56 or 57 years. Occupation: Antique dealer. Son of Levie Andries van Dam - Muller and Frouktje Tromp - van Beever‏