Duifje Boas married Emanuel Piller in 1899 in Amsterdam. He died in 1911. They had six children. A daughter Jeanette died at a young age in 1909. Two children did not live at home anymore during the war, among whom Sara. Two children survived the war.
Stadsarchief Amsterdam, archiefkaart Duifje Boas
In addition, a Jokos file (number 20206) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.