Addition

Meijer Jacobs and his family

Meijer Jacobs and Leentje Kokernoot were the parents of Abraham.
Stadsarchief Amsterdam, archiefkaart Abraham Jacobs

In addition, a Jokos file (number 32479) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.