Sébastien Jean Thomas
- Born on February 1, 1656 in La Chapelle-Neuve, at manoir de Treusvern
- Baptized in Plougonver
- Deceased on January 9, 1687 in Saint-Servais, at Burthulet, at the age of 30 years
Parents
- Yves Thomas (1625 - 1668), seigneur de Treusvern
- Marie Anne de Lémo