Max Liebert and Käthe Lewinsohn had one child that had already left the parental house before the war. This child survived the war by going into hiding.
Addition of a visitor of the website
In addition, a Jokos file (number 31235) 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 7574/2204).