Yves Couallan
- Born in 1705
- Deceased on July 9, 1707 in La Roche-Derrien, at the approximate age of 1 years
- Burial the next day in this municipality
Parents
- François Couallan (1663 - ), seigneur de Trobizien, sénéchal de la juridiction de Kersaliou
- Renée Françoise Doladilhe (c. 1666 - )