Jules Robert Édouard de Billy
- Born on October 9, 1866 in Jacou
- Deceased on July 11, 1919 in Boulogne-Billancourt, at the age of 52 years
Parents
- Alfred de Billy (1832 - 1906), inspecteur des finances
- Henriette Grand d'Esnon (1844 - 1935)
Family
- Married in 1893, with Alice Johnston (1870 - 1909)
- Married on April 14, 1915 in Paris, with Catherine Johnston (1884 - 1971)
Occupations
- ingénieur des mines