- Born on May 31, 1899 in Paris
- Deceased on August 7, 1986 in Neuilly-sur-Seine, at the age of 87 years
Parents
- Henri Ier Le Peletier de Rosanbo (1864 - 1946), chevalier, marquis de Rosanbo, député des Côtes-du-Nord, conseiller général des Côtes-du-Nord
- Madeleine Calon (1870 - 1944)
Family
- Married on October 24, 1927 in Paris, with Marguerite de Pérusse des Cars (1907 - 1976)
Occupations
- ingénieur chimiste