Sientje Coster was the daughter of Samuel Coster and Marianna Hamburg. She married Simon Zilverberg in 1905, who died in 1920. They had a son Hijman who died in 1910.
Addition of a visitor of the website
In addition, a Jokos file (number 54136) on this person is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.
This person is commemorated on a memorial in Coevorden. More information on this memorial can be found (in Dutch) on the website of the Nationaal Comité 4 en 5 mei.