In 1927 David Kokernoot and Femmy Sealtiel lived with Abraham Kokernoot, the father of David. In 1938 they lived in the Jodenbreestraat 28 II. They had no children. David was a merchant in packing cases.
Stadsarchief Amsterdam, Archief van de gemeentelijke sociale dienst, inv. nr. 78174
In addition, a Jokos file (number 14111) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.