In addition, a Jokos file (number 35599) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.
Salomon Jacob Simons and his wife had a son called Nico Simons. Nico Simons was unmarried. The archive of the Stichting Sieraden-Comité contains among other things a statement of the right to inheritance from 1965. NIOD, Records Stichting Sieraden-Comité, film 580, nr 2018, file 57