Jacob Zwarenstein and Antje Zwarenstein were children of Sander Zwarenstein and Truitje Elzas. Three sisters and a brother of Jacob and Antje Zwarenstein died before the war.
Addition of a visitor of the website
In addition, a Jokos file (number 7188) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.