Betje Slap was married to Abraham Querido. The couple had four children. Before the war, Abraham Querido had left his wife and children for another woman and lived in The Hague.
Addition of a visitor of the website
In addition, a Jokos file (number 30618) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.