- Born on June 2, 1855 in Neuilly-sur-Seine
- Deceased on February 7, 1939, at the age of 83 years
- Burial in Le Grand-Lucé
Parents
- Jean d'Avenel, alias le Marquis de Longuève (1822 - 1864), vicomte d'Avenel
- Aglaé d'Hémeric de Cartouzière (1825 - 1894)
Family
- Married on April 12, 1880 in Paris, with Laura Meinell (1855 - 1897), issuing
- Married in 1902, with Delphine Vaïsse (1866 - 1936), issuing
Madeleine (1910 - 1984)
Occupations
- homme de lettres
- économiste
- journaliste