Betje Barnstein was a daughter of Meijer Barnstein and Grietje Kooker, a family with eleven children, among them she herself, Hartog, Engeltje, Esther, Eva, Mina, and Maurits. Jetta, who was married to Hartog Zwalf, has survived the Holocaust as the only one of the children. Three children has alrea…
In addition, a Jokos file (number 219) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.