This person is commemorated on a memorial in Emmen. More information on this memorial can be found (in Dutch) on the website of the Nationaal Comité 4 en 5 mei.
In addition, Jokos files (numbers 55111, 55112) on this family or other family members are at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.