- Deceased on September 23, 1775 in Ploubezre, at château de Kergrist
Parents
- Jean-François de Tréanna, écuyer, seigneur de Lanvilliau
- Catherine Honorate de Kerroignant (1698 - )
Family
- Married on September 22, 1750 in Quimper, with Jonathas de Kergariou (1719 - 1794), chevalier, seigneur de Kergrist, page de la grande écurie du Roi, issuing
- Catherine Vincente (1752 - 1841)
- Marie Jeanne (1753 - 1754)
- Marie Anne (1758 - 1758)
- Marie Marguerite (1761 - )