In addition, a Jokos file (number 33643) 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 479/14066 (vervallen)).
According to a list with shops of Jewish owners, compiled by the Amsterdam police in 1940, this family had a butcher's shop, address: Jacob Obrechtstraat 27 in Amsterdam.
Abstracts of the police archives which are currently at the Amsterdam municipal archives