Born ‎21-5-1883 Amsterdam, Netherland, died ‎22-10-1942 Auschwitz-Katowice, Poland‎, 58 or 59 years. Occupation: Buyer. Son of Hijman Koopman and Mietje de Haas‏

Born ‎1- Jun 1881 Amsterdam, Netherland, died ‎2- Apr 1943 Sobibor-Biala Podleska, Poland‎, 61 years. Daughter of Hijman Troeder - de Beer and Rebecca Verdoner - Bromet‏