Semmie Keizer continued the butcher's shop of Abraham Davidson, living on the same address, after May 1934. In accordance with § 7 VO 48/1941 (Nazi regulation to remove Jews from the trade and industry) the company was dissolved during the war.
Kamer van Koophandel Zwolle, inschrijvingsnummer 05466,…
In addition, a Jokos file (number 33785) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.