Dochter is Alida Frieser(Friezer) en Mozes Frieser. Regina had nog een zus Leentje van Leeuwen echtgenote van Mozes van Gelder. Haar broer Jacob van Leeuwen was getrouwd met Amaila Sons.
In addition, a Jokos file (number 15422) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.
According to a list with shops of Jewish owners, compiled by the Amsterdam police in 1940, this family had a tobacco shop, address: Rapenburg 76 in Amsterdam. Abstracts of the police archives which are currently at the Ams…