Marguerite Alexandrine Adélaïde de Costard de Saint-Léger
- Born on March 2, 1781 in Saint-Gatien-des-Bois
- Deceased on September 4, 1782 in Fourneville, in infancy
Parents
- Jean Antoine de Costard de Saint-Léger (1755 - 1839), officier de cavalerie
- Marie Anne Adélaïde Turgot, dame de Périers-en-Auge