- Born circa 1674
- Deceased in 1716, at the approximate age of 41 years
Parents
- Jacques de Ségur ( - 1691), chevalier, baron de Belfort, conseiller au parlement de Bordeaux
- Jeanne de Gascq ( - 1704), dame de Calon
Family
- Married in 1695, with Marie-Thérèse Clausel (c. 1674 - 1723), dame de Latour, issuing
- Nicolas-Alexandre (1697 - 1755)