Mietje Vedder, dauchter of Mozes Vedder and Rebecca de Haan, married in 1931 to 456229. The couple divorced in 1934. Stadsarchief Amsterdam, archiefkaart Mietje Vedder
In addition, a Jokos file (number 40731) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.