Gabrielle Bossan
- Born on October 6, 1883 in Annecy-le-Vieux
- Deceased on September 15, 1980 in Pont-Saint-Martin, at the age of 96 years
Parents
- Ernest Bossan (1832 - 1909), chef d'escadron d'état-major
- Jenny de Turckheim (1848 - 1953)
Family
- Married on December 27, 1917 in Lausanne, with Jean Michon-Coster (1883 - 1980), baron Coster, issuing
