- Born on March 18, 1868 in Le Bourgneuf-la-Forêt, at château de Fresnay
- Deceased on February 7, 1943, at the age of 74 years
Parents
- Henri Tréton de Vaujuas-Langan (1830 - 1907), marquis de Vaujuas-Langan, député de la Mayenne
- Stylite Sioc'han de Kersabiec (1842 - 1920)
Family
- Married on May 19, 1896 in Arquenay, with Francoise d'Argouges (1874 - 1951), without issue.
Occupations
- chef de nom et d'armes