- Born on December 22, 1711
- Baptized on March 6, 1712 in Rennes, at église Saint-Jean
Parents
- René Cyr de La Souallaye (1685 - 1733), écuyer, seigneur de La Souallaye
- Jeanne Rose Le Clavier
Family
- Married with Françoise Fouquer (1707 - ), issuing
Françoise (1745 - 1770)