- Born on July 9, 1836 in Amiens
- Deceased on March 5, 1906 in Cambrai, at the age of 69 years
- Burial in Couturelle
Parents
- Ernest de La Fontaine-Solare (1799 - 1890)
- Marie Charlotte Zélie Le Clerc de Bussy (1809 - 1874), baronne de la Fontaine Solare
Family
- Married on May 6, 1862 in Hédauville, with Ernest de Cossart d'Espiès (1832 - 1896), issuing
- Cécile (1863 - 1913)