Bertha Cohen was a daughter of Abraham Cohen and Anna Dreese.
She was married to Levie Ketellapper from 1917 till april 1940. Together they had a son, Isaac Ketellapper. In 1941 Bertha Cohen married the widower of her sister Elisabeth Cohen, Eliazer Pach.
Stadsarchief Amsterdam, archiefkaart Bertha …
In addition, a Jokos file (number 35695) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.The Jokos file reveals that a claim was lodged for compensation for valuables surrendered to the Lippmann-Rosenthal looting …