Joseph Kloot and Klaartje Betel had in total five children: Leentje, Salomon, Sara, Nathan and a child that survived the war. All the children lived at different addresses. Addition of a visitor of the website
In addition, a Jokos file (number 20436) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.