Rebekka van Hasselt was a daughter of Asscher Lazarus van Hasselt and Sara van Dam.
A Jokos file (number 52143) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.
The familyname Trytel is also written as Trijtel on various official documents.
The correct spelling of the familyname is Trijtel. (by Regina Philip)