Marcus Salomon de Jong was a son of Salomon Alexander de Jong and Roosje Vischschraper. He married Rachel Koen in Amsterdam on 23 October 1901, a daughter of Salomon Abraham Koen ane Sara Berlijn. The couple had three children: Salomon, Roosje and Sara. Only Roosje has survived the Holocaust. Salomo…
In addition, a Jokos file (number 35759) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.