- Born on August 23, 1886 in Morigny-Champigny, at château de Jeurre
- Deceased on April 25, 1952 in Nice, at the age of 65 years
Parents
- Henri-Arthur Dufresne de Saint-Léon (1858 - 1947), comte Dufresne de Saint-Léon, propriétaire
- Berthe de Valon du Boucheron (1859 - 1900), sans profession, propriétaire
Family
- Married on October 8, 1909 in Paris, with Bathilde Suchet d'Albufera (1887 - 1920)
- Married on August 24, 1922 in La Gouesnière, with Marguerite de La Rochefoucauld (1886 - 1929), divorced in 1925
- Married on May 13, 1947 in Paris, with Marie Joseph Hamon (1893 - 1961)