Machiel Joël Zilverberg was married to Betty Rikka Lopes Cardozo. In 1942 he was placed in one of the Jewish labour camps.
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In addition, a Jokos file (number 1773) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.The Jokos file reveals that a claim was lodged for compensation for valuables surrendered to the Lippmann-Rosenthal looting b…