Betje Zwarts was a daughter of Abraham Zwarts and Sara Wertheijm. She married Simon van Bever in Amsterdam on 6 February 1935, a son of Samson van Bever en Sientje Smeer. They had had three children together: Samson, Sara and Sientje. Betje and her three children have been killed in Sobibor on 9 Jul…
In addition, a Jokos file (number 36522) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.