Born ‎30-8-1868 Geert, Netherland, died ‎22-10-1942 Auschwitz-Katowice, Poland‎, 73 or 74 years

Born ‎14-10-1859 Geertruidenberg, Netherland‎, ‎1st marriage to: Henriette Vorst - Berlin, ‎2nd marriage/ related to: Henriette Wijsenbeek. Son of Nathan Kalker - Hertog and Eva Walg‏