Johanna Polak was a daughter of Isaac Polak and Esther Cohen. She married 7 October 1931 to Abraham Italiaander, sonof Jacob Italiaander and Sara Mof.
City Archive of Amsterdam, archivcard of Johanna Polak, Abraham Italiaander, family registration card of Isaac Polak and website www.wiewaswie.nl .
In addition, a Jokos file (number 12665) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.