Born ‎17-1-1875 Amsterdam, Netherland, died ‎21-1-1943 Auschwitz, Katowice, Poland‎, 67 or 68 years. Son of Abraham Michael Emanuel van Gelder/ de Graa and Reintje Simons/ Sarlui‏

Born ‎15-5-1885 Meppel-Drenthe, Netherland‎. Daughter of Salomon Benjamin Spanjaard - Wijnberg and Betje Denekamp - van Rees‏