- Born in 1738
- Deceased in 1787 in Rennes, at the approximate age of 48 years
Parents
- Henri François de Guéhéneuc (1694 - 1761), chevalier, seigneur de Boishüe, commissaire des États de Bretagne
- Thérèse du Breil de Chalonge, dame du Breil
Family
- Married on February 5, 1773 in Yvignac-la-Tour, with Pélagie Anne Constance de Bruc (1748 - 1804), issuing
- Charles (1775 - 1832)
Occupations
- officier