Sara Fles was a daughter of Hijman Fles and Rika Fles. She married Samuel Koperberg from London in Amsterdam on 3 July 1918, a son of Henry Koperberg and Harriet Freeland.
Sara came from a family with 12 children, of whom three children have died already at young age. Her other siblings were Isaac, Emanuel, Lea, Gracia, Benjamin, Jacob, Levie and Elisabeth.
City Archive of Amsterdam, family registration card of Hijman Fles and website www.wiewaswie.nl.
Biography