Margarete Herz was the widow of Siegfried Salomon Spanjaard. To this family also belonged a son Robert Jakobus, who did not live at home anymore.
Addition of a visitor of the website
In addition, a Jokos file (number 32689) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.