- Born on April 6, 1904 in Mourmelon-le-Grand
- Deceased on August 26, 1979 in Saint-Cyr-sur-Mer, at the age of 75 years
Parents
- Étienne Portalis (1871 - 1914), comte Portalis, capitaine d'artillerie, polytechnicien (X 1890)
- Suzanne Harty de Pierrebourg (1882 - 1962)
Family
- Married on February 11, 1926 in Paris, with Henry de La Chevardière de La Grandville (1896 - 1978), industriel, issuing
- Claude (1928 - 2008)