Johan van de Rhoer was the son of Levi van de Rhoer and Bilha Goldsteen, who lived in Meppel. Johan was teacher at a higher school, the "Rijks HBS" in Groningen.
The couple Van de Rhoer-Sanders had no children.
Addition of a visitor of the website
In addition, a Jokos file (number 54387) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.