Jacob Hamel was a son of Israel Jacob Hamel and Sanne van Tijn. He got married in Weesp in 1911. The couple had four children: Philip, Abraham and two children who survived the war.
More information on the Hamel familie can be found in C.N.M. van der Voort, Geschiedenis van de Gooische metaalhandel I. Hamel en zonen (Hilversum 1993).
Addition of a visitor of the website
In addition, a Jokos file (number 2229) on this family 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 4722/984).