The last residential address fo this family was at 74a Tugelaweg in Amsterdam.The archive of the Stichting Sieraden-Comité contains a a certificate of rights of inheritance and succession from 1966.
NIOD, Records Stichting Sieraden-Comité, box HF-1, file 3
In addition, a Jokos file (number 3812) 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 1582/1579).