- Born in 1657 in Guilers
- Deceased on November 12, 1728 in Paris, at the approximate age of 70 years
- Burial at église Saint-Sulpice
Parents
- Guillaume de Penancoët (1615 - 1690), chevalier, comte de Kerouazle, commandant de l'arrière ban de l'évéché de Léon
- Marie de Plœuc (1625 - 1687)
Family
- Married on May 20, 1675, with Philip Herbert (1652 - 1683), Earl of Pembroke, lord-lieutenant of Wiltshire, issuing
- Charlotte (c. 1676 - )
- Married on May 11, 1685, with Jean Timoléon Gouffier (1648 - 1729), marquis de Thoix, gouverneur de Blois, lieutenant général du pays Blésois, Sologne et Dunois, issuing
- François Louis (1676 - 1753)
- Marie Anne (1687 - 1755)