Hanna van Crevel was the daughter of Louis van Crevel and Leentje Goldsmit. She was married, and got divorced. From this marriage one child was born, that died at a young age. Later Hanna van Crevel had another child. This child survived the war.
Amsterdam Municipal Archives; record card of Hanna van Crevel
In addition, a Jokos file (number 50365) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.