This person is commemorated on a memorial in Leek. More information on this memorial can be found (in Dutch) on the website of the Nationaal Comité 4 en 5 mei.
Betje van Hasselt was married to Mozes Oudgenoeg. He died in 1931. Simon was a son. They also had a third daughter. Addition of a visitor of the website
In addition, a Jokos file (number 54521) on this household is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.