Bettje van Esso-Kroon died at age 87 in Camp Westerbork on 2 November 1942. She was buried at the Jewish cemetery in Assen on 5 November 1942.
Jewish Historical Museum, Documents collection, inv.nr 3397; Death register of the Jewish community Assen
The funeral records at the Jewish cemetery in Assen reveal that Bettje Kroon was buried there.
This person is commemorated on a memorial in Assen and on a memorial in Meppel. More information on these memorials can be found (in Dutch) on the website of the Nationaal Comité 4 en 5 mei.