In addition, Jokos files (numbers 32389, 913) on this family or other family members are at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.The Jokos files reveal that a claim was lodged for compensation for valuables surrendered to the Lippmann-Rosenthal looting bank (L-claim, number 11428/1797).
According to a list with shops of Jewish owners, compiled by the Amsterdam police in 1940, this family had a watchmaker's shop, address: Rijnstraat 114 in Amsterdam.
Abstracts of the police archives which are currently at the Amsterdam municipal archives