Born ‎1- Mar 1907 Rotterdam, Netherland, died ‎30-9-1942 Auschwitz-Katowice, Poland‎, 34 or 35 years. Occupation: Agent for foreign properties. Son of Izaac van Dam - van der Heijm and Debora Davidson - Vriesman‏

Born ‎1- Aug 1899 Antwerpen, Belgium, died ‎30-9-1942 Auschwitz-Katowice, Poland‎, 42 or 43 years