Marie Finsi trouwde in Amsterdam on 10 July 1941 to Benjamin Lopes Cardozo, son of Jacob Lopes Cardozo and Keetje Wegloop. City Archive of Amsterdam, archive cards of Salomon Finsi and Benjamin Lopes Cardozo.
In addition, a Jokos file (number 10740) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.