Abraham was the son of David Allegro and Rachel van Hes. Abraham and Henriëtte had one child that survived the war.
Addition of a visitor of the website
In addition, a Jokos file (number 51699) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.
Person is in the National Database of Victims of Persecution