One son of the family Wallbach, who resided at another address, survived the war.
Addition of a visitor of the website.
In addition, a Jokos file (number 10415) 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 12667/19461).
A Liro card exists for this person or family. The original cards are kept at the Nationaal Archief (National Archive) at The Hague.