Gaston IV, Count of Foix
Gaston IV (27 November 1422 – 25 or 28 July 1472) was the sovereign Viscount of Béarn and the Count of Foix and Bigorre in France from 1436 to 1472. He also held the viscounties of Marsan, Castelbon, Nébouzan, Villemeur and Lautrec and was, by virtue of the county of Foix, co-prince of Andorra. From 1447 he was also Viscount of Narbonne. Through his marriage to Eleonor, heiress of the Kingdom of Navarre, he also held the title of Prince of Navarre.
He was a son of John I, Count of Foix and Jeanne d'Albret. His maternal grandparents were Charles d'Albret, Constable of France and co-commander of the French army, killed at the Battle of Agincourt, and his wife Marie de Sully.
Gaston married the Navarrese Infanta, Eleonor, in 1436.
27 November 1422
25 or 28 July 1472 (aged 49)
Noble family Foix
Leonor of Navarre
John I, Count of Foix