Parents
- Joseph de Saint-Gilles, alias le Marquis de Romilley (1772 - ), chevalier, vicomte de Saint-Gilles, officier de cavalerie
- Marie-Joséphine d'Andigné, dame de La Folletière
Family
- Married on February 18, 1824 in Bouelles, with Joséphine-Louise Le Chevallier de Bouelles, issuing
Aliette (c. 1826 - 1890)
- Married with Louise-Hélène Richard d'Aubigny, issuing
Bertrand (1846 - 1919)