Isaac Witmont was a son of Michael Witmont and Betje Jas. He married 5 July 1923 in Amsterdam Sara Roodenbug, a daughter of Abraham Roodenburg and Rachel Cohen.
Sara Roodenburg was previously married to her cousin Joseph Roodenburg, a son of David Roodenburg and Hendrika Engelsman, to whom she was w…
In addition, a Jokos file (number 55524) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.