- Born on July 12, 1809 in Rennes
- Deceased on February 16, 1885 in this municipality, at the age of 75 years
Parents
- Hippolyte Marie Guillaume de Rosnyvinen (1778 - 1850), marquis de Piré, général de division
- Émilie Hay des Nétumières (1781 - 1842)
Family
- Married with Laurence Julie Émilie de Lambilly (1812 - 1868)
Occupations
- député d'Ille-et-Vilaine