Marcus Schoolmeester was a son of Salomon Machiel Schoolmeester and Roosje Ephraim van der Woude. He married Roosje Aronson in 1895. Stadsarchief Amsterdam, archiefkaart Marcus Schoolmeester
In addition, a Jokos file (number 55478) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.