Born ‎30-5-1901 Amsterdam, Netherland, died ‎5- Jan 1929 Amsterdam, Netherland‎, 27 or 28 years. Occupation: Electrical engineer. Son of Aaron Duitz and Jeannette Coini‏

Born ‎29-12-1904 Amsterdam, Netherland, died ‎23-7-1943 Sobibor-Biala Podleska, Poland‎, 38 or 39 years, ‎1st marriage/ related to: Salomon Prins - Schwab, ‎2nd marriage/ related to: Emil Duitz - Coini. Daughter of Emanuel Bierman - Batavier and Henriette Speelman - Hamburger‏