Abraham Mozes was a son of Samuel Mozes and Sara Bollegraaf. He married on 13 October 1909 at Sappemeer to Martha de Beer. Municipal Archive of Hoogezand-Sappemeer and website Alle Groningers.
In addition, a Jokos file (number 35481) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.