Born ‎1886 Dordrecht‎. Son of Meijer Joseph Cohen de Heer - Polak and Rosetta Philip Cohen de Heer - Wessel‏

Born ‎10-4-1883 Rotterdam, Netherland, died ‎15-10-1942 Auschwitz-Katowice, Poland‎, 58 or 59 years, ‎1st marriage/ related to: Israel Meijer Cohen - Heer, ‎2nd marriage/ related to: Joseph Abraham Klein - Troostwijk. Daughter of Mozes Nathan Engers and Dina de Vries‏