I believe that these are my relatives I have been searching for, relatives who were murdered in the Holocaust but had previously lived in Amsterdam. My family tells of relatives returning to Amsterdam after the war to search for them but finding no trace and other people living in their former house…
In addition, a Jokos file (number 17157) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.