Izak Amsel Noach was co-manager of the Noach firm, which was a wholesale house for rags and old metals. His cousin Amsel Heiman Noach was the junior manager there. Addition of a visitor of the website
In addition, a Jokos file (number 8396) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.The Jokos file reveals that a claim was lodged for compensation for valuables surrendered to the Lippmann-Rosenthal looting bank (L-claim, number 8848/20066).