Alex Leopold Kohen and Siphra Sanders married on 18 February 1942.
Their last known address was the President Brandstraat 58 III in Amsterdam.
Stadsarchief Amsterdam, archiefkaart Alex Leopold Kohen
In addition, a Jokos file (number 8696) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.