In addition, a Jokos file (number 51476) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.
A Liro card exists for this person or family. The original cards are kept at the Nationaal Archief (National Archive) at The Hague.
According to a list with shops of Jewish owners, compiled by the Amsterdam police in 1940, this family had a butscher's shop, address: Sarphatipark 135 in Amsterdam.
Abstracts of the police archives which are currently at the Amsterdam municipal archives