Abraham Root was a son of Juda Root and Schoontje Brilleman. He married in Amsterdam on 22 June 1933 to Elisabeth Cosman. City Archive of Amsterdam, archive card of Abraham Root.
In addition, a Jokos file (number 55238) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.