Willem Duis was a son of Barend Duis and Saartje Blits.
Addition of a visitor of the website.
Willem Duis was married to 534819 from June 1935 until December 1940. Together they had a daughter, 534818
Stadsarchief Amsterdam, archiefkaart Mietje Nabarro
In addition, a Jokos file (number 2615) on this person is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.