Léon Demars
- Born on May 6, 1877 in Vonnas
- Deceased in 1973, at the approximate age of 95 years
Parents
- Claude Demars ( - 1898), cultivateur
- Marie Goyon (1835 - aft. 1896), cultivatrice
Family
- Married on November 22, 1902 in Neuville-les-Dames, with Claudine Petit (1885 - 1979)