- Born on November 9, 1835 in Florence
- Deceased on January 6, 1908 in Paris, at 7e, at the age of 72 years
- Burial in 1908 at cimetière du Montparnasse
Parents
- Józef Poniatowski (1816 - 1873), sénateur du Second Empire, compositeur d'opéras
- Mathilde Perotti (1814 - 1875)
Family
- Married on June 11, 1856 in Paris, with Louise Le Hon (1838 - 1931), issuing
Occupations
- attaché au ministère des affaires étrangères