Rachel Waterman, a daughter of Joseph Waterman and Betje Waterman, married 26 February 1936 in Amsterdam to Coenraad Boeken, a son of Mozes Boeken and Debora Vogel.
City Archive of Amsterdam, archive card of Mozes Boeken and Rachel Waterman .
In addition, a Jokos file (number 12877) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.