- Born on February 18, 1840
- Deceased in 1913, at the approximate age of 72 years
Parents
- Charles Dejean (1807 - 1872), ministre de la Guerre, conseiller d'État
- Mathilde Gueulluy de Rumigny (1816 - 1905)
Family
- Married with Jeanne Gouhier de Petiteville (1842 - 1893), issuing
