Catharina Stokvis was a daughter of Joseph Stokvis and Rebecca Barend. She married in Amsterdam on 28 June 1928 to Elias Weenen, son of Goedman Weenen and Leentje Löwenstein. Website www.wiewaswie.nl.
In addition, a Jokos file (number 1503) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.