Sally Frankfort was married tot Rebecca de Vries. The couple lived in the Grensstraat 33 house in Amsterdam. Sally Frankfort died on 30 August 1943 in Westerbork transit camp and he was cremated on 1 September 1943. The urn with his ashes was placed on the Jewish cemetry in Diemen on field U, row 12, grave nr. 4.
Register van joden die in het kamp Westerbork zijn gecremeerd, 1943-1944; archief van de gemeente Westerbork, opgenomen in het archief van de gemeente Midden-Drenthe te Beilen, inv. n 3789
Sally Frankfort and Rebecca de Vries married in 1934 in Amsterdam.
Stadsarchief Amsterdam, archiefkaart Rebecca de Vries