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 By the end of the century, however, the castle was increasingly regarded as out of date from a military perspective.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
John de Cobham, 2nd Baron Cobham (of Kent) John de Cobham, 2nd Baron Cobham (of Kent) John de Cobham, 2nd Baron Cobham (died 1355) was an English nobleman. He was the second baron of the family of Cobhams of Cobham. He was the eldest son and heir of Henry de Cobham, 1st Baron Cobham. In 1320 he became Lord Warden of the Cinque Ports and constable of Dover Castle, succeeding his father in both positions. In 1334 he was appointed, along with his father, constable of Rochester Castle. The following year he was made Admiral for the region west of the Thames. After 1350, he served in Parliament