Born ‎26-11-1856 Amsterdam, Netherland, died ‎5- Feb 1943 Auschwitz-Katowice, Poland‎, 86 or 87 years. Daughter of Mozes Barend Benjamin Nijkerk and Duifje Kopman Sturkop‏

Born ‎6- Jul 1851 Amsterdam, Netherland, died ‎13-2-1926 Amsterdam, Netherland‎, 74 or 75 years. Son of David Abraham Tak - Jacobs and Roosje Benjamin Nijkerk - Swaap‏