François Georges de Costard de Saint-Léger
- Born on October 25, 1899
- Deceased on March 9, 1976, at the age of 76 years
Parents
- Léonce Arthur de Costard de Saint-Léger (1867 - 1937)
- Louise Marie Casoletti (1872 - 1944)
Family
- Married on August 28, 1941 in Villadossola, with Teresa Elide Iemoli (1904 - 1973)