 The offices of Prelate, Register, and Usher were created on the order's establishment; those of Garter Principal King of Arms and Chancellor, in the 15th century; and that of Secretary, in the 20th century.William of Edington, Bishop of Winchester, was the first Prelate of the Order, and that office has since been held by his successors at Winchester, traditionally a senior bishopric of the Church of England.The office of Chancellor is now held by one of the companions of the order.