Duifje Hakker-Bril had three children: Elisabeth (died before the war), Celina and one child that survived the war. Her husband, Benjamin Hakker also died before the war.
Addition of a visitor of the website
In addition, a Jokos file (number 2697) on this person is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.