Emanuel de Vries was married to Mirjam van der Hoek. He was a teacher. On 11 September 1943 their third child, daughter Judith Nechama, was born in Westerbork transit camp.
Record of birth certificates of the Westerbork municipality, currently at the archives of Gemeente Midden-Drenthe in Beilen
In addition, a Jokos file (number 25079) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.