Hélène Koechlin
- Born on May 26, 1888 in Levallois-Perret
- Deceased on October 22, 1938 in Neuilly-sur-Seine, at the age of 50 years
Parents
- Maurice Koechlin (1856 - 1946), concepteur de la structure de la Tour Eiffel
- Emma Rossier (1867 - 1956)