- Born on December 3, 1690 in Bignan
Parents
- Guillaume de La Touche (1658 - ), chevalier, seigneur de Kerbenez
- Guillemette Daën (c. 1658 - ), dame de Launay-Cosquer
Family
- Married on April 28, 1716 in Vannes, at cathédrale Saint-Pierre, with Hélène de Coëtlagat (1691 - ), issuing
- Barthélémy-Julien (1717 - )
- Hyacinthe (1718 - 1788)
Marie-Hyacinthe (1721 - )