Born ‎3- Aug 1846 Amsterdam, Netherland, died ‎29-5-1907 The Hague, Netherland‎, 60 or 61 years. Occupation: Merchant. Son of Joseph Simon Houtkruijer and Beletje Isaac de Leeff‏

Born ‎12-2-1847 Weesp, Netherland, died ‎13-8-1886 Weesp, Netherland‎, 38 or 39 years. Daughter of Hartog Yzak van Bergen - Nikkelsberg and Eva Philip de Vries - Simons‏

Born ‎22-2-1854 Lochem, Netherland, died ‎25-7-1932 Amsterdam, Netherland‎, 77 or 78 years. Occupation: Maid, ‎1st marriage to: Jacob Vomberg/ Friedman, ‎2nd marriage to: Izak Jozef Houtkruijer - de Leeff, ‎3rd marriage/ related to: N.N.. Daughter of Abraham Joseph Vromen and Bella Themans‏