- Born on November 21, 1885 in Paris
- Deceased on May 25, 1966 in this municipality, at the age of 80 years
Parents
- Henri de Grosourdy de Saint-Pierre (1848 - 1908), marquis de Saint-Pierre, conseiller référendaire à la cour des comptes
- Geneviève Potier de Courcy (1860 - 1916)
Family
- Married on April 17, 1911 in Silly-en-Gouffern, with Antoinette de Pechpeyrou-Comminges de Guitaut (1885 - 1961), historienne, issuing
Occupations
- historien
- capitaine d'infanterie