- Born on July 28, 1821 in Brussels
- Deceased on October 9, 1892 in Soissons, at the age of 71 years
- Burial on November 12, 1892 in Paris, at cimetière du Père-Lachaise
Parents
- Ange Sieyès (1786 - 1848), chef de bataillon d'infanterie
- Aimée Quinette (1797 - 1867)
Family
- Married on January 15, 1849, with Marie Godart de Rivocet (1829 - 1882), issuing
Occupations
- avocat
Notes
Transmission du titre de comte, revêtu par Emmanuel Joseph Sieyès, à Adolphe Paul Sieyès. Les Tuileries (9 mai 1859). BB/29/991, p. 17.