Born ‎3-12-1872 Hoorn, Netherland, died ‎4- Sep 1915 Hoorn, Netherland‎, 42 or 43 years. Daughter of Benjamin van Kleef - du Mosch and Vrouwtje Koster - Polak‏

Born ‎12-3-1881 Arnhem, Netherland, died ‎18-3-1944 Rotterdam, Netherland‎, 62 or 63 years. Occupation: Iron merchant, ‎1st marriage to: Roselina van Kleef - Koster, ‎2nd marriage to: Judith Gotlieb - Sachs. Son of Isaac Marcus de Leeuw and Katriena Gobas - Marcus‏