Regina Prins was a daughter of Eduard Prins and Selma Rothschild.
Stadsarchief Amsterdam, archiefkaart Eduard Prins
On 4 May 1932, the association 'Ezer Jatom' opened a Jewish orphanage in the Pletterijstraat 66 in The Hague. On 6 March 1943, the Nazis fetched the children and staff from the orphanage, including staff member Regina Prins.
I.B. van Creveld, ’Het joods weeshuis in Den Haag‘, in: Misjpoge. Verenigingsblad van de Nederlandse Kring voor Joodse Genealogie, jrg 15, nr 2, 44
In addition, a Jokos file (number 55613) on this person is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.