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 (for England) dimidiating "Gules three ships' hulks in pale Or". The coat of arms of the Confederation of the Cinque Ports is set out on a red and blue background and traditionally represents the 14 "Corporate" Members. The creation and appointment of the Lord Warden, once among the most powerful appointments of the realm, by the Sovereign was instituted principally after the portsmen sided with the Earl of Leicester against King Henry III, in the Second Barons' War, and was intended to provide some central authority over the Cinque Ports, which were essentially otherwise independent of the King's sheriffs. It