Selly Haas was the widow of Aaron de Vries.
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The mayor of Soest requested that Clara Rozette de Vries be located, detained and brought to trial. Ze had been living in the villa Katja, 134 Amersfoortscheweg in Soest. She was suspected of having changed her place of residence without the required authorization. This description referred to Jews who had gone into hiding.
Algemeen Politieblad, nr 43, 29 October 1942, 1220, notice 2593
In addition, a Jokos file (number 11826) on this household is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.