Jonas Vlessing was a son of Levie Vlessing and Betje Pampel. He married 8 June 1938 in Amsterdam to Debora Franschman, a daughter of Mozes Franschman and Rachel Franschman. The couple had one son: Levie.
Jonas was born in a family with seven children; two brothers have survived the war, however Sara…
In addition, a Jokos file (number 12118) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.