Born ‎2- Apr 1821 The Hague, Netherland, died ‎2- Jan 1869 The Hague, Netherland‎, 47 years. Son of Hartog Benedictus de Graaff and Sara Hartog Cerff - Nathan‏

Born ‎14-5-1821 Rotterdam, Netherland, died ‎1892-1900‎, 78 or 79 years. Daughter of Jacob Isaac van Cleeff/ de Met and Elisabeth Sanson/ Samuel‏