- Born on November 21, 1853 in Brussels
- Deceased on December 6, 1915, at the age of 62 years
Parents
- Barthélemy de Theux de Meylandt et Montjardin (1794 - 1874), comte de Theux de Meylandt, ministre de l'Intérieur belge, ministre des Affaires étrangères belge
- Aline du Parc (1822 - 1881)
Family
- Married in 1888 in Brussels, with Mariette Odile Jeanne Goffinet (1860 - 1938)