Sara van Lier married Jules Alexander van Os in 1903 in Amsterdam. He died in 1931. She remarried Salomon van der Heijden in 1935 in Amsterdam. He died in 1936.
Stadsarchief Amsterdam, archiefkaart Sara van Lier
Sara van Lier was the mother of Helena Carolina van Os.
Addition of a visitor of the website
In addition, a Jokos file (number 51944) on this person is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.The Jokos file reveals that a claim was lodged for compensation for valuables surrendered to the Lippmann-Rosenthal looting bank (L-claim, number 5191/2133 vervallen).