Rachel van Bever was a daughter of Simon van Bever and Schoontje Roeg. She was not married. City Archive of Amsterdam, archive card of Simon van Bever and of Rachel van Bever.
In addition, a Jokos file (number 14615) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.