Elias Hilsum and Eva Druif were the parents of Abraham.
Stadsarchief Amsterdam, archiefkaart Abraham Hilsum
Elias Hilsum and his family lived from 1916-1922 in the Vrolikstraat 445. Later they lived in the Kerkstraat.
Addition of a visitor of the website
In addition, Jokos files (numbers 5975, 18471) on this family or other family members are at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.