- Born on December 20, 1888 in Mulhouse
- Deceased on February 27, 1954 in this municipality, at the age of 65 years
Parents
- Paul Koechlin (1852 - 1907), industriel en filature et tissage de coton à Mulhouse (Koechlin, Buchy & Frey)
- Marie Stoecker (1868 - 1890)
Family
- Married on January 8, 1914, with Élisabeth Sandoz (1888 - 1977), graphologue, issuing
- Private
- Private
Occupations
- industriel en filature et tissage de coton à Mulhouse (Koechlin, Buchy & Frey)