Born ‎16-2-1837 The Hague, Netherland, died ‎6- jul 1878 The Hague, Netherland‎, 40 or 41 years. Occupation: Principal, ‎1st marriage to: Heintje Bino - Poons, ‎2nd marriage/ related to: Heintje Kunstenaar. Son of Isaac Moses (Isak) de Jong and Clara Salomon David (Klaartje) de Koning‏