He was a confidant of Charles de France, Duke of Berry (1472), brother of King Louis XI.
He took part in all the conspiracies against the king, including the League of the Public Weal (1465) and the Mad War.
After the death of Charles of France in November 1472, he rallied on the side of King Louis XI.
In 1479 he became governor of Rouen and Caen, and played an important role at the court of the Duke of Brittany, Francis II.
Odet d'Aydie married Marie of Lescun, heiress of the property of his family (including Esparros).