According to Mathieu d'Escouchy, she was aged 22 in 1455. If his statement is correct, she would have been born in 1432 or 1433, strictly speaking. Samaran, C. (1907). "Isabelle d'Armagnac, dame des Quatre-Vallées"(PDF). Revue des Hautes-Pyrénées (بالفرنسية). 2: 97–115, 140–149, 171–178). Archived from the original(PDF) on 2018-09-30.
web.archive.org
According to Mathieu d'Escouchy, she was aged 22 in 1455. If his statement is correct, she would have been born in 1432 or 1433, strictly speaking. Samaran, C. (1907). "Isabelle d'Armagnac, dame des Quatre-Vallées"(PDF). Revue des Hautes-Pyrénées (بالفرنسية). 2: 97–115, 140–149, 171–178). Archived from the original(PDF) on 2018-09-30.