Elisabeth Rebecca (Betje) Abrahams was married to Izak van Gelder, who died in 1910. They had 17 children, of whom 11 died short after birth. Three children and their families Henderika, Sara and 460571, were killed in the war.
Addition of a visitor of the website
For additional information, see:
J. van Gelder, Mooie Mensen. Lotgevallen van de Joodse Familie Van Gelder in Nederland (Groningen 1992)
In addition, a Jokos file (number 13144) on this person is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.