John Boys (Royalist) Boys himself went to London rather than continue further military resistance while others of the Regiment went on to serve at Wallingford Castle. During August 1648, he made a futile attempt to raise the Siege of Walmer Castle in Deal, one of the Cinque Ports, and customary home of the Lord Warden. Sir Algernon Sydney replaced him as Warden in 1648. In 1659, Boys was held as a prisoner in Dover Castle for "petitioning for a free Parliament", but was released on 23 February 1660. He was then, reputedly, granted the office of Receiver of Customs at Dover from Charles
Lionel Sackville, 1st Duke of Dorset he was chosen to inform George I of his accession to the Crown in August 1714. George I initially favoured him and numerous offices and honours were given to him: Privy Councillor, Knight of the Garter, Groom of the Stole, Lord Steward , Governor of Dover Castle and Warden of the Cinque Ports. At George I's coronation he carried the sceptre: at the coronation of George II he was Lord High Steward and carried St Edward's Crown. He quarreled with the King in 1717 and was told his services were no longer required, but he was made a Duke three