Born ‎1- May 1889 Amsterdam, Netherland, died ‎9-11-1959 Amsterdam, Netherland‎, 69 or 70 years. Occupation: Office clerk. Son of Jan Frederik Adolf Poestkoke and Wilhelmina Magdalena Bar‏

Born ‎5- Feb 1894 Amsterdam, Netherland, died ‎31-3-1974 Amsterdam, Netherland‎, 79 or 80 years. Occupation: Diamond cutter. Daughter of Simon Keizer - de Haas and Marianne Hamburger - ven Duijn‏