Rebecca Witteboon was the daughter of Mozes Witteboon and Esther Hamburger. Rebecca married in 1895 te Amsterdam to Samuel Keijser. They had two children: Rozetta and Meijer.
Addition of a visitor of the website
In addition, a Jokos file (number 51390) on this person is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.