Elena Troubetzkaya
Helena Petrovna
- Born on April 28, 1849 in Saint Petersburg
- Deceased on March 18, 1934 in Gelos, at the age of 84 years
Parents
- Piotr Troubetzkoï (1822 - 1892)
- Varvara Yurievna Troubetzkaïa (1828 - 1901)
Family
- Married on November 24, 1873 in Paris, with Paul de Gontaut-Biron (1845 - 1938)