According to a list with shops of Jewish owners, compiled by the Amsterdam police in 1940, this family had a bakery shop, address: Weesperstraat 57 in Amsterdam.
Abstracts of the police archives which are currently at the Amsterdam municipal archives
Robert Abraham Zijlberberg
Gelsenkirchen, – Sobibor,
Reached the age of 21 years
Occupation: Baker
Person is in the National Database of Victims of Persecution