A certificate of circumcision signed by the mohel M. Winkel on 29 September 1918 remains for David Hamburger. There is also a menu from the banquet in honour of his bar mitzvah, as well as a photograph of the bar mitzvah boy.
David Hamburger was the son of Bernard Hamburger. He was a manufacturer. H…
In addition, a Jokos file (number 7714) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.