Maurits Barnstein was a son of Meijer Barnstein and Grietje Kooker, a family with eleven children, among them he himself, Betje, Hartog, Engeltje, Esther, Eva and Mina. Jetta, who was married to Hartog Zwalf, has survived the Holocaust as the only one of the children. Three children has already died…
In addition, a Jokos file (number 21144) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.