Leendert Boas and Sara Orpes married on 29 June 1904. The ceremony took place in Amsterdam. The couple had eight children of which two died before the war. Of five remaining children it is certain that they didn't survive the war.
Addition of a visitor of the website
In addition, Jokos files (numbers 40076, 1527) on this family or other family members are at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.