David de Marcas married on 9 August 1917 with Marie Leonore Marsman. They had two children.Marie Leonore died in 1936. One child of the couple survived the war.
Stadsarchief Amsterdam, archiefkaart David de Marcas
In addition, a Jokos file (number 6799) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.The Jokos…