Eliazer Zwartverwer married Betje Diamant in 1913. They had two children. After his wife died he married again with Pauline Bolle in 1925. They divorced in 1935.
Stadsarchief Amsterdam, archiefkaart Eliazer Zwartverwer
Eliazer Zwartverver died on 24 April 1943 in Westerbork transit camp and he was cremated on 27 April 1943. The urn with his ashes was placed on the Jewish cemetry in Diemen on field U, row 4, grave nr. 22.
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
Lijst van in de concentratiekampen Westerbork en Buchenwald overleden Joodsche Personen die op Nederlandsche begraafplaatsen ter aarde werden besteld; NIOD, archief Westerbork, port. 1, map 1
In addition, a Jokos file (number 6171) on this person is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.