Born ‎15-10-1894 Amsterdam, Netherland, died ‎8- Jul 1936 Amsterdam, Netherland‎, 41 or 42 years. Son of Meijer Hartog Waterman - Swaab and Sara van Praag‏

Born ‎4- Sep 1895 Amsterdam, Netherland, died ‎28-5-1943 Sobibor-Biala Podleska, Poland‎, 47 or 48 years, ‎1st marriage to: Simon Meijer Waterman - van Praag, ‎2nd marriage/ related to: Willem Manheim. Daughter of Isaac Drukker and Debora Dekker‏