Born ‎26-11-1892 Amsterdam, Netherland, died ‎8-10-1942 Auschwitz-Katowice, Poland‎, 49 or 50 years. Daughter of Mozes Elias Nijkerk and Mietje Abraham de Jong‏

Born ‎13-2-1894 Amsterdam, Netherland, died ‎31-8-1943 Central Europe‎, 48 or 49 years. Occupation: Representative, ‎1st marriage to: Rosette Nijkerk - de Jong, ‎2nd marriage to: Elisabeth Nijkerk - de Jong. Son of Joseph Cohen/ van der Kaar and Clara de Vries‏