William IX, Duke of Aquitaine (died 1126)

William IX, called the Troubadour, was the Duke of Aquitaine and Gascony and Count of Poitou between 1086 and his death. He was also one of the leaders of the Crusade of 1101.

October 22 is the 295th day of the year in the Gregorian calendar; 70 days remain until the end of the year.