- Born on September 27, 1827 in Jarville-la-Malgrange
- Assassinated on March 25, 1871 in Saint-Étienne, at the age of 43 years
Parents
- Casimir de L'Espée (1793 - 1876), préfet du Gard, député de la Meurthe
- Aglaé Monnier (1803 - 1858)
Family
- Married in 1855, with Thérèse Dursus de Courcy (1835 - 1919), issuing
- Jean François (1857 - 1942)
Occupations
- préfet de la Loire
- ingénieur des mines
- polytechnicien (X 1846 - Mines)