Jonas Kloot and Claartje Stodel were the parents of Isaac and Hijman.
Stadsarchief Amsterdam, archiefkaart Isaac and Hijman Kloot
In addition, Jokos files (numbers 7658, 7659) on this family or other family members are at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.