Guyenne. He then assisted in suppressing the marauding bands which were devastating France, fought for Aragon against Castile, and aided his brother, the cardinal of Foix, to crush an insurgency in Aragon.

Peter, cardinal of Foix (1386-1464), was the fifth son of Archambault of Grailly, and was made archbishop of Arles in 1450. He took a prominent part in the struggle between the rival popes,