Beside he self, also his parents and his siblings have been killed during the Holocaust: Geertje, Hartog, Paulina Jansje, Grietje Schoontje, Abraham and the still at home living Ephraim.
City Archive of Amsterdam, archive card of Salomon Hoogstraal.
Salomon Hoogstraal and Carolina Bernard were the parents-in-law of 522484.
Addition of a visitor of the website
In addition, a Jokos file (number 25220) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.