- Born on July 30, 1808 in Versailles
- Deceased on October 10, 1900 at château de Rainvillers, at the age of 92 years
Parents
- Louis Marie Honoré Mac Guir de Crux (1774 - 1840), marquis de Crux, sous-gouverneur des pages du Roi, lieutenant-colonel de cavalerie
- Alexandrine Louise Thérèse de Sailly (1784 - 1863), chanoinesse honoraire de Poulangy
Family
- Married in 1849, with Auguste Le Bastier de Rainvilliers (1800 - 1862), issuing
Albert Marie François (1832 - 1892)- Edmond Marie Auguste (1834 - 1855)
- Charles Marie André (1838 - 1876)
- Béatrix (1847 - 1938)