Addition

Widow Esther van der Bijl-van Stratum and her family

Esther van Stratum was the widow of Joseph van der Bijl. She also had a son Jacob.
Stadsarchief Amsterdam, archiefkaart Jacob van der Bijl

In addition, a Jokos file (number 1286) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.