Addition

Benjamin de Leeuw and his family

Benjamin de Leeuw and Sara van Gelderen were cousins. The mother of Sara was the sister of Benjamin's father.
Addition of a visitor of the website

Benjamin de Leeuw and Sara van Gelderen had another son Abraham.
Addition of a visitor of the website

In addition, a Jokos file (number 52093) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.