Meijer Halberstadt was a son of Philip Halberstadt and Rebecca Furth.
Stadsarchief Amsterdam, archiefkaart Philip Halberstadt
In addition, a Jokos file (number 50914) on this household is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.The Jokos file reveals that a claim was lodged for compensation for valuables surrendered to the Lippmann-Rosenthal looting bank (L-claim, number 4665/3655).