Heintje Polak-van Amerongen was the widow of the butcher Louis Polak, who had died 1932. The couple had a son Joseph Jacob Polak.
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In addition, a Jokos file (number 32838) on this person 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 bank (L-claim, number 9376/16061).
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