Marcus van Santen was a son of Salomon van Santen and Sara Wans. He married Eva Coster in 1921 in Zaandam. He was a sales representative for a chocolate factory.
Stadsarchief Amsterdam, archiefkaart Marcus van Santen
Marcus van Santen is also commemorated on Jewish Monument Zaanstreek
In addition, a Jokos file (number 004372) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.