Parents
- Edmond de Seguins-Cohorn de Vassieux (1809 - 1896), marqués de San Salvador, propriétaire à Carpentras
- Charlotte de Froment (1822 - 1895)
Family
- Married on June 28, 1875 in Paris, at 4e, with Jeanne Calderon (1855 - )
- Married on February 15, 1890 in Paris, at 1er, with Blanche Guillout (1838 - 1910)