- Born on May 5, 1858 in Guingamp, at château des Salles
- Deceased on June 26, 1930 in Paris, at the age of 72 years
Parents
- Albert de Kerouartz (1831 - 1892), marquis de Keroüartz
- Eugénie de Roquefeuil (1835 - 1859)
Family
- Married on October 15, 1887 in Paris, with Madeleine d'Andigné (1865 - 1894)
- Married on August 10, 1897, with Louise d'Andigné (1870 - 1959), issuing