Barend Waterman was a son of Benjamin Waterman and Roosje Dikker. He married 9 July 1941 in Amsterdam to Erna Rath, daughter of Nathan Rath and Mina Stopper.
City Archive of Amsterdam, archive card of Barend Waterman and Erna Rath.
In addition, a Jokos file (number 12290) on this person is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.