Regina Rosenboom was married to Heiman Koppel. He died in 1937.
Addition of a visitor of the website
The Arnhem police commissioner requested that Regina Koppel-Rosenboom, residing in Arnhem, be located, detained and brought to trial. 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 50, 17 December 1942, 1413, notice 3123
In addition, a Jokos file (number 6632) on this person is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.