- Born on September 14, 1672 in Langast, at château du Rochay
- Deceased on January 13, 1749 in Lamballe, at the age of 76 years
Parents
- René de Quengo, le Comte de Tonquédec (1625 - 1703), écuyer, vicomte de Tonquédec, député de la noblesse de Bretagne
- Françoise-Sylvie d'Espinay (1645 - aft. 1703)
Family
- Married on January 17, 1709 in Lamballe, with Catherine Revel (1685 - 1764), issuing
Marie-Ursule (1710 - 1771)- Eléonore (1711 - )
- Pélagie-Renée (1714 - 1771)
- René Guillaume (1716 - 1716)
- René-Guillaume (1719 - 1787)
- Joseph-Jean (1721 - 1723)
- Joseph-Scholastique (1727 - 1787)
Occupations
- colonel d'infanterie