Isidore Ephraim was a son of Salomon Jacques Ephraim and Betje Wijnschenk. He was born in Amsterdam on 23 November 1901 and was a diamond polisher by profession. On 12 February 1924 he married in Borgerhout (B) Lea Vos, a daughter of Andries Vos and Aaltje Bonn and had with her two children, namely …
In addition, a Jokos file (number 52670) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.