Marie Pach was a daughter of 525711 and Sientje Lelie. She married Michel Heertje in 1929 in Amsterdam. Stadsarchief Amsterdam, archiefkaart Marie Pach
In addition, a Jokos file (number 15122) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.