Levie Citroen and Mietje Streep married in 1916 in Amsterdam. They moved in July 1942 to Amsterdam.
Stadsarchief Amsterdam, archiefkaart Mietje Streep
In addition, a Jokos file (number 9681) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.