Count Gaston IV was a nobleman from the region of Foix in France. He belonged to the House of Foix, a prominent family during the medieval period. Gaston IV is known for his role in the political and military affairs of the region, particularly during the Albigensian Crusade. He was also a patron of the arts and culture, contributing to the development of Occitan literature. His reign was marked by efforts to maintain the independence of his territory amidst the growing power of the French Crown. Gaston IV's legacy is remembered for his influence on the history of Occitania.