Hélène Koechlin
- Born on February 14, 1780 in Mulhouse
- Deceased on April 6, 1847, at the age of 67 years
Parents
- Hartmann Koechlin (1755 - 1813), industriel tisseur à Willer
- Salomé Iselin (1760 - 1828)
Family
- Married on June 15, 1805 in Willer-sur-Thur, with Charles Guillaume Bonhorst (1774 - 1844), issuing
- Hélène Émilie (1806 - 1837)
Balthasar (1826 - 1896)