- Born on August 10, 1832 in Saint Petersburg
- Deceased on August 13, 1920 in Essey, at château de Villeneuve, at the age of 88 years
- Burial on August 16, 1920 in this municipality
Parents
- Mikhail Yermoloff (1794 - 1870), membre de l'Académie delphinale, général major en Russie
- Joséphine de Lasalle (1806 - 1853)
Family
- Married on August 17, 1857 in Paris, with Ludovic de Champeaux (1823 - 1904), marquis de Champeaux, issuing
- Micheline (1858 - 1892)
- Marie (1859 - 1941)
Alexis (1861 - 1912)- Laurent Michel (1872 - 1921)