the Exchequer as it became established under Henry I. The office of the original chamberlains became hereditary, and these chamberlains are sometimes called chamberlains-in-fee. It soon became a regular practice for them to appoint a knight to attend in the Exchequer and carry out their duties.

As the business of the Exchequer increased, the chamberlains in fee largely ceased their personal attendance on the Exchequer in favour of their deputies. On at least one occasion, during the reign of