Léon Jean Pâris de Treffonds d'Avancourt
- Born on May 5, 1868 in Saint-Marcellin
- Deceased on January 7, 1937 in Toulouse, at the age of 68 years
Parents
- Henri Pierre Sylvain Pâris de Treffonds d'Avancourt (1816 - 1896), propriétaire-rentier à Voiron
- Marie Clara Henriette de Boissieu (1835 - )
Family
- Married on June 23, 1903 in Paris, with Adeline Jeanne Marestaing (c. 1880 - ), issuing
- André (1904 - 1986)
Occupations
- officier cavalerie