Born ‎15-10-1906 Amsterdam, Netherland, died ‎9- jul 1943 Sobibor-Biala Podleska, Poland‎, 36 or 37 years. Son of David Roodenburg and Hendrika Engelsman‏

Born ‎31-5-1889 Amsterdam, Netherland, died ‎9- jul 1943 Sobibor-Biala Podleska, Poland‎, 53 or 54 years, ‎1st marriage (divorced) to: Aaron Gobets - Bak, ‎2nd marriage/ related to: Benjamin Roodenburg/ Engelsma. Daughter of Meijer Leijden van Amstel - Aandagt and Femmetje Abas‏