Walmer Castle against Charles' brother, King James II, the townsfolk of Deal seized Walmer Castle on behalf of William III, the Prince of Orange. By the end of the century, however, the castle was increasingly regarded as out of date from a military perspective. In the 18th century, Walmer Castle became the official residence of the Lord Warden of the Cinque Ports. The Lord Warden was originally a medieval title linked to five key ports along the coast of England; the position's prominence had faded, but it still retained important judicial and military functions. When Lionel Sackville, the Duke of Dorset, was
Lord Warden of the Marches Eastern March on Berwick-upon-Tweed. The offices became unnecessary after the union of the crowns of England and Scotland under King James in 1603. Lord Warden of the Marches The Lord Warden of the Marches was an office in the governments of Scotland and England. The holders were responsible for the security of the border between the two nations, and often took part in military action. They were also responsible, along with 'Conservators of the truce', for administering the special type of border law known as March law. The Marches on both sides of the border were traditionally split into West,