- Born on February 7, 1925 in Cambrai
- Deceased on December 12, 1985, at the age of 60 years
Parents
- René de Proyart de Baillescourt (1887 - 1970), comte de Proyart de Baillescourt, avocat, docteur en droit
- Thérèse de Clebsattel (1896 - 1960)
Family
- Married on July 6, 1951 in Paris, with Jacqueline Aymé de La Chevrelière (1927 - 2019), issuing
- Private
Pauline (1958 - 2003)- Private
Occupations
- avocat à la cour
- secrétaire de la conférence