Simon Plas was a son of Abraham Plas and Heintje van Rheenen. He married to Rozetta de Metz on 2 September 1931 in Amsterdam. Municipal Archive of Amsterdam, archive card of Simon Plas.
Bertha Broekman-de Metz was the sister-in-law of Simon Plas. Addition of a visitor of the website
In addition, a Jokos file (number 8332) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.