Klara Herta was also a daughter of Alexander Levie van Os and Elisabeth van Dijk.
Addition of a visitor of the website
In addition, a Jokos file (number 53500) 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 9036/6849).