She was the daugther of Isaac Joseph Hess born 1870 in Wittmund / Niedersachsen / Germany and Agnes Mendelsohn born 1874 in Hamburg/Germany the periched also in Auschwitz
In addition, a Jokos file (number 8070) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.