Simon van Kollem and Roosje van Bergen married in 1911 in Weesp. They had three children. Besides the here mentioned children they had a daughter Sara.
Stadsarchief Amsterdam, archiefkaart Simon van Kollem
According to a list with shops of Jewish owners, compiled by the Amsterdam police in 1940, Simon van Kollem had a bookshop at the Oudemanhuispoort 15 in Amsterdam.
Abstracts of the police archi…