Sylvain François Duhail de Lalye
- Born in 1765
- Deceased in 1859, at the approximate age of 93 years
Parents
- Léonard Duhail de Lalye ( - 1800)
- Marie Anne Pijaud (1734 - 1796)
Family
- Married with Marie Rosalie Dupertuis (1767 - 1854), issuing
- Jacques Denis Paul (1798 - 1873)