The brother of Jacob Berklou and sister of Mijntje Kopee also were married to each other. According to tradition Jacob already was engaged to Mijntje and said to his brother 'go with me to my girlfriend, she has a nice sister'. The brother and sister of Jacob Berklou and Mijntje Kopee survived the war by going into hiding.
Addition of a visitor of the website
In addition, a Jokos file (number 14940) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.
According to a list with shops of Jewish owners, compiled by the Amsterdam police in 1940, this family had a bicycle shop, address: Krugerstraat 26 in Amsterdam.
Abstracts of the police archives which are currently at the Amsterdam municipal archives