Sara Springer was a daughter of Marcus Springer and Esther Salomon. She married Maurits Kets de Vries in 1927 in Amsterdam. He died in 1933. They had two children: Levie Jacob and Marcus Maurits.
Stadsarchief Amsterdam, archiefkaart Sara Springer
Sara Kets de Vries-Springer died on 6 June 1943 in Westerbork transit camp and she was cremated on 7 June 1943. The urn with her ashes was placed on the Jewish cemetry in Diemen on field U, row 7, grave nr. 18.
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