Born ‎9- Mar 1881 den Helder, Netherland, died ‎3- Feb 1914 Amsterdam, Netherland‎, 32 years. Son of Jacob Hartog Polak - de Beer and Betje Abraham Leuw - Prins‏

Born ‎5- May 1881 Amsterdam, Netherland, died ‎4-12-1957 Amsterdam, Netherland‎, 75 or 76 years. Daughter of Ysbrand Hendrik Haag - Rogge and Johanna Frederika Weinman Wijnman‏