This person is commemorated on a memorial in Heerlen. More information on this memorial can be found (in Dutch) on the website of the Nationaal Comité 4 en 5 mei.
These persons are listed as residing at the same address. The source does not provide information about how they were related to one another.
In addition, Jokos files (numbers 25055, 25056) on this household or other family members are at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.