Jacobus Marinus Izaaks was son of Barend Izaaks and Anna Maria Kreugel. He worked as a diomond polisher. His wife and children survived the war.
Addition of a visitor of the website
In addition, a Jokos file (number 54544) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.