Joseph Michel Théodore Lavanant
- Born in 1846 in Callac
Parents
- Joseph Marie Jean Lavanant (1800 - 1874), greffier, propriétaire
- Marie Anne Guiot (1804 - 1882)
Family
- Married on November 9, 1872 in Plestin-les-Grèves, with Estère Marie Noëmy Elisabeth Buhot de Launay (1848 - )