- Born on January 2, 1917 in Ixelles
- Deceased on April 18, 1982, at the age of 65 years
Parents
- Albéric Le Clément de Saint-Marcq (1875 - 1937), chevalier, directeur au Ministère des Affaires Économiques, prisonnier politique 1914-18
- Geneviève de Vigneron (1881 - 1957)
Family
- Married on October 1, 1940 in Brussels, with France Empain (1917 - 2006), issuing
- Jean-Pierre (1941 - 2005)
- Tanguy (1943 - 2016)
Nathalie (1953 - 2012)- Private
Occupations
- bourgmestre d'Enghien
- docteur en droit
Distinctions
- cavaliere dell'ordine equestre del Santo Sepolcro di Gerusalemme