This person lived alone or no information about family members is known or traceable.
In addition, a Jokos file (number 18469) on this person is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.The Jokos file reveals that a claim was lodged for compensation for valuables surrendered to the Lippmann-Rosenthal looting bank (L-claim, number 10104 / 10452).
According to a list with shops of Jewish owners, compiled by the Amsterdam police in 1940, Schoontje Roos-Blitz had a hat shop, address: Vijzelstraat 53 in Amsterdam.
Abstracts of the police archives which are currently at the Amsterdam municipal archives