Guillaume de Chanac
Guillaume de Chanac was a French Benedictine who became a Cardinal.
He was abbot at Bèze Abbey, and then was abbot at Saint-Florent from 1354 to 1368. He was Bishop of Chartres and then Bishop of Mende, for brief periods up to 1371.
He supported the Collège de Chanac Pompadour in Paris, named after his great-uncle of the same name.