- Born on May 9, 1791 in Lantic
- Deceased on November 11, 1878 in Tréveneuc, at château de Pommorio, at the age of 87 years
Parents
- Toussaint Geslin de Bourgogne (1764 - 1843), écuyer, seigneur de Bourgogne
- Jeanne de La Lande de Calan (1769 - )
Family
- Married on June 18, 1810 in Lantic, with Henri Chrestien de Tréveneuc, le Comte de Tréveneuc (1788 - 1866), chevalier, vicomte de Pommorio, issuing
Léonce Pierre Marie (1811 - 1868)- Polixène Marie Mélite (1813 - 1890)
- Henri (1815 - 1893)
- Mélanie Hyacinthe Pauline Marie (1818 - 1888)
- Ferdinand (1824 - 1873)