Siegfried Leonard de Vries

The Police Commissioner of Haarlem requested that Siegfried Leonard de Vries, living in Haarlem, be located, detained and brought to trial. He had changed his place of residence without the required authorization. This description referred to Jews who had gone into hiding.
Algemeen Politieblad, nr 1, 7 January 1943, 12, notice 57

Siegfried Leonard de Vries and Charlotte (Lottie) van Praag were betrayed when they went into hiding in Haarlem. The same happened later to their son Joseph (Jopie).
Addition of a visitor of the website

In addition, a Jokos file (number 8742) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.