- Born on March 3, 1876 in Paris
- Deceased on July 12, 1941 in Versailles, at the age of 65 years
Parents
- Auguste Dreyfus (1827 - 1897), banquier
- Luisa Gonzalez Pinillos (1847 - 1924)
Family
- Married on March 15, 1907 in Paris, with Hélène de Talleyrand-Périgord (1877 - 1945), issuing
