Berendje van Bever was a daughter of Simon van Bever and Schoontje Roeg. She married in Amsterdam on 25 July 1923 to Gerrit van der Sluis, son of Joseph van der Sluis and Esther Spaanbroek.
City Archive of Amsterdam, archive card of Berendje van Bever and website www.wiewwawie.nl
In addition, a Jokos file (number 51764) on this person is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.The Jokos file reveals that a claim was lodged for compensation for valuables surrendered to the Lippmann-Rosenthal looting bank (L-claim, number 1874/7993).