The widow Ganna Sameline Polak got remarried to Abraham van Gelder. In 1941 he lived at the Tweede Boerhaavestraat in Amtserdam.
Addition of a visitor of the website
In addition, a Jokos file (number 50489) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.