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
Lord Warden of the Cinque Ports parliamentary representatives were appointed by the Lord Warden at first; this influence continued until the 19th century. At the installation of a new Lord Warden, the Speaker of the Confederation of the Cinque Ports instructs the Lord Warden: "to undertake the duties of the Ancient and Honourable Office and to uphold the Franchises, Liberties, Customs and Usages of the port." The office of Speaker has traditionally rotated between the affiliate townships every year dating from at least 1550. Inaugurations are begun on 21 May, and membership is ordained through a longstanding maritime tradition of a principle of the prevailing winds