(The Fat), was son of Philip I.; was associated in the royal power with his father from 1098 to 1108, and sole king from 1108 till 1137; in his struggle against the great vassals he, by the help of the clergy and the bourgeois, centralised the government in the crown; had trouble with Henry I. of England as Lord Superior of Normandy, and was defeated by him in battle in 1119; under his reign the burgesses achieved their independence, and though he did nothing to initiate the movement he knew how to profit from the achievement in the interest of the monarchy.