Salomon Philip Frenkel and Betsy Adele Wiener married in 1920 in Rotterdam.
Stadsarchief Amsterdam, archiefkaart Salomon Philip Frenkel
Salomon Philip Frenkel and Betsy Wiener had three children who survived the war.
Addition of a visitor of the website
There is a biography on Salomon Philip Frenkel and Betsy Adele Wiener: H. G. Schogt, The curtain: witness and memory in wartime Holland (Waterloo : Wilfrid Laurier University Press, 2003).
In addition, a Jokos file (number 60657) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.