In addition, a Jokos file (number 16578) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.
Martin and his wife Gitla moved from Berlin to Holland in the early 1930s. In Berlin they resided at Siedlung Karl Legien Str. 15 in Berlin-Prenzlauer Berg.
(Jüdisches Adressbuch Berlin, 1931)