Octave-Henri Gabriel, comte de Ségur

Octave-Henri Gabriel, comte de Ségur (5 June 1779 - 15 August 1818) was a French soldier and famous suicide.

He was born in Paris, the eldest son of Louis Philippe, comte de Ségur and Antoinette Élisabeth d'Aguesseau.

He married on 13 March 1797 his cousin Marie Félicité d'Auguesseau, who died in Paris on 16 January 1847, and had three children:

He committed suicide in Paris.