Izak Zilverberg married Sippora Franken on 24 December 1941. Izak Zilverberg was married before with Schoontje van Velzen. They married on 8 June 1938 and divorced on 13 September 1940.
Stadsarchief Amsterdam, archiefkaart Izak Zilverberg
A daughter of Izak Zilverberg survived the war.
Addition of a visitor of the website
In addition, a Jokos file (number 12356) on this person is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.