Jeannette Visser was a daughter of Levie Visser and Anna van Praag. She married Gerard Duim in Amsterdam on 22 December 1926, a son of Zacharias Duim and Esther Loeza. The couple had two sons: Louis Jacques and Zacharias Louis. Jeannette had an unmarried sister, who has been killed during the Holocaust too.
City Archive of Amsterdam, archive cards of Jeannette Visser, Gerard Duim and website www.wiewaswie.nl.