Erika Dieterle was my aunt - my father's half sister (same father, Richard, born 1878, died 1964). My father is Hellmuth, and lives in Tuscson, Arizona! So Helga and I would be first cousins! I live in Chicago, IL. Please email me at
chrisa.hickey@gmail.com so we can discuss further!
Chrisa Dieterle Hickey