Willem Ephraïm studied medicine in Amsterdam and sat for his medical finals in 1938. He lived and practised on the Bosch- en Lommerweg in Amsterdam and had another practice at 61 Egidiusstraat in Amsterdam.
J.H. Coppenhagen, Anafiem Gedoe‘iem. Overleden joodse artsen uit Nederland 1940-1945 (Rotterdam 2000) 89
In addition, a Jokos file (number 50248) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.