Barend Springer, a son of Mozes Springer and Mijntje Kopee, married Esther de Jong in Amsterdam on 7 August 1935, a daughter of Abraham de Jong and Maaike Cohen.
City Archive of Amsterdam, archive card of Barend Springer and Maaike Cohen .
In addition, a Jokos file (number 2336) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.