Charles of Blois
Charles of Blois(Charles of Châtillon) (blwä, shätēyôN`), c.1319–1364, duke of Brittany; nephew of Philip VI of France. He was one of the chief participants in the War of the Breton SuccessionBreton Succession, War of the,
1341–65, an important episode of the Hundred Years War. Duke John III of Brittany died in 1341 without heirs. The succession was contested by his half-brother, John de Montfort, who was backed by Edward III of England, and by Charles of
..... Click the link for more information. and was killed at the battle of Auray. An extremely pious man, he has been beatified.