Johanna Hamburger was the daughter of Benedictus Hamburger and Petronella Nihom. She married in 1895 in Nijkerk to Saul Hijman Hamburger, who died before the war.
Johanna had at least four children: Ester, Levie, Petronella and a child that survived the war.
Addition of a visitor of the website
In September 1941, an obituary was placed in Het Joodsche Weekblad for J. Hamburger-Hamburger.
Het Joodsche Weekblad, 12 September 1941, 11