Marianna Emden was a daughter of Abraham Emden and Heintje Vuijsje. She married in Amsterdam on 11 September 1935 to Mozes Barmhartigheid.
City Archive of Amsterdam, archive card of Abraham Emden and Mozes Barmhartigheid.
In addition, a Jokos file (number 51711) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.