Catharina Fonteijn was a daughter of Isaac Anthonie Fonteijn and Keetje Wertheim.
Addition of a visitor of the website
In addition, a Jokos file (number 30300) on this person is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.
Links
Person is in the National Database of Victims of Persecution