Simon de Jong, a son of Izaak de Jong and Elisabeth Drukker, married 23 may 1923 in Amsterdam to Saartje Michelson, a daughter of Mendel Arie Michelson and Eva Drukker.
City Archive of Amsterdam, archive card of Mendel Arie Michelson and website www.wiewaswie.nl .
In addition, a Jokos file (number 35920) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.