Martha Soesman, spouse of Mozes Löwenstein, died on 9 May 1943 in Westerbork transit camp and she was cremated on 12 May 1943. The urn with her ashes was placed on the Jewish cemetry in Diemen on field U, row 6, grave nr. 10.
Register van joden die in het kamp Westerbork zijn gecremeerd, 1943-1944; …
In addition, a Jokos file (number 60955) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.