According to the Dutch Red Cross Servaas Soesman died on the 26th of May 1943 at Maastricht.
Source: Cartotheek of the Jewish Council,card Servaas Soesman
This person is commemorated on a memorial in Valkenburg. More information on this memorial can be found (in Dutch) on the website of the Nationaal Comité 4 en 5 mei.