Rachel Blog was a daughter of Levie Blog and Sara van Collem. She married Levie Potzer in Amsterdam on 14 September 1921 in Amsterdam, a son of Meijer Potzer and Mietje Groenteman.
Her siblings Marcus, Samuel, David, Elizabeth, Jacob and Debora have been killed too in the Holocaust.
City Archive of Amsterdam, archive card of Levie Blog and website www.wiewaswie.nl.