Jeremias Meyer Hillesum was a son of Meijer Samuel Hillesum and Juda Goldstein. He married Marianna Davids in 1890. She died in 1939. They had one son, Meijer Samuel, and three daughters.
See: Joden in Nederland in de twintigste eeuw. Een biografisch woordenboek 139-140
Jeremias Meyer Hillesum was a curator at the Bibliotheca Rosenthaliana (Amsterdam).
M.H. Gans, Memorboek. Platenatlas van het leven der joden in Nederland van de middeleeuwen tot 1940 (6e bijgewerkte druk; Baarn 1988) 357
In addition, a Jokos file (number 8847) 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 5259 / 7031).