Andrew de Coldein, Duke of Cornouaille

Andrew de Coldein, born 1221, died 1276, was Norman noble and Duke of Courouaille. In 1273, de Coldein led a revolt against William I, King of Normandy during the Norman Civil War.

Early life
Andrew de Coldein was born in Morlaix, Brittany in 1221, the son of Edward de Coldein, Earl of Morlaix. Andrew travelled to the Duchy of Alexandria in 1240 and fought during the Seventh Crusade against the Ayyubid's. Upon his return to Normandy he was made Duke of Cornouaille by Samuel II, King of Normandy as a reward for his services in the Crusades.

In 1257, he married Beatrice, Countess of Provence, by whom he had three sons, Charles in 1258, Phillip in 1259 and Raymond in 1261. Andrew secured a prestigious marriage between his son Charles and Agnes of France, sister of Phillip III, King of France.