Born ‎1- Apr 1883 Amsterdam, Netherland, died ‎28-9-1942 Auschwitz-Katowice, Poland‎, 58 or 59 years. Son of Jacob Zwart - Barber and Esther Mozes Groen‏

Born ‎6- May 1879 Amsterdam, Netherland, died ‎31-1-1929 Amsterdam, Netherland‎, 49 or 50 years, ‎1st marriage/ related to: N.N., ‎2nd marriage to: Mozes Zwart - Groen. Daughter of Meijer Jesaias Peeper - Boas and Marianne Halverstad - Manheim‏