Born ‎20-3-1918, died ‎28-9-1944 Auschwitz-Katowice, Poland‎, 25 or 26 years. Son of David Kalker - Edersheim and Henriette Hanschen Kalker - van Meekren‏

Born ‎26-10-1917 Amsterdam, Netherland, died ‎28-9-1942 Auschwitz-Katowice, Poland‎, 24 or 25 years