Bertha Lisser was a daughter of Samuel Lisser and Roosje Vogel. She married on 25 August 1937 in Amsterdam to Bernard Pruijm. City Archive of Amsterdam, archive card of Samuel Lisser.
In addition, a Jokos file (number 51542) on this family 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 9794/22653).