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- Born on July 28, 1870
- Deceased circa 1955, at the approximate age of 84 years
Parents
- Nicolas Koechlin (1838 - 1892), industriel à Mulhouse et l'Isle-sur-le-Doubs en constructions mécaniques (André Koechlin & Cie)
- Juliette Meiner (1844 - 1931), rentière