A Gascon noble who fought with the prince at Poitiers and later at the siege of Limoges , he married the daughter of the sire de Langoiran.
With his father, he fought for the English at Poitiers and was one of the first to pledge homage to the Black Prince when he took up the principality. He had a close, although changeable, relationship with Charles of Navarre.
Relations with the Black Prince worsened during the preparations for the Spanish campaign when the number of troops he had been contracted to bring was summarily reduced from 1, to The proposed fouage would further deplete his resources, which had been greatly damaged by the ravages of the Free Companies.
In this financial context the overtures of Charles V were difficult to resist, particularly as they included the offer of an alliance with the royal family, through marriage to Marguerite de Bourbon. He was at the forefront of the revolt against the prince and, in , was granted the lands of the sire de Poyanne who was captured at La Rochelle.
In he became grand chamberlain of France. He died in By he was a long-standing supporter of the English cause having given allegiance to Edward III in following his capture by the French and an offer of a pension from the king.
