Rachel Crost was a daughter of Ephraim Crost and Bloeme Trompetter. She married in Amsterdam 27 August 1908 Cosman Monnikendam, a son of Abraham Salomon Monnikendam and Schoontje Wijnberg. The couple had a daughter Jenny, who was married to Salomon Manassen.
City Archive of Amsterdam, family registr…
In addition, a Jokos file (number 10722) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.