Isabelle de Plan de Sieyès de Veynes
- Born on November 8, 1927 in Paris
- Deceased on April 28, 1951 in Montcresson, at the age of 23 years
Parents
- Henry de Plan de Sieyès de Veynes (1883 - 1953), administrateur de sociétés
- Marie-Élisabeth de Mac-Mahon de Magenta (1899 - 1951)