In addition, Jokos files (numbers 6401, 6402) 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 5928/4252).
According to a list with shops of Jewish owners, compiled by the Amsterdam police in 1940, this family had a shop in fossil fuels, address: Lepelstraat 33 in Amsterdam.
Abstracts of the police archives which are currently at the Amsterdam municipal archives