In addition, a Jokos file (number 51708) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.
Helen Frenkel born on 5 January 1913 in Koln, daughter of Maximilian Frenkel and Henriette Hartog. She fled to Amsterdam in 1938. Married Hellmuth Armin Auerbach in 1939 in Amsterdam. They had no childeren.