Lord Warden of the Cinque Ports was combined from 1267 with the office of Constable of Dover Castle. However, from 1708 Walmer Castle at Deal was to be preferred as the official residence of the Lord Warden of the Cinque Ports. The Lord Warden also holds the office of Admiral of the Cinque Ports with a maritime jurisdiction extending to the middle of the English Channel, from Redcliffe near Seaford, in Sussex to the shore underneath the Naze Tower, encompassing Brightlingsea in Essex, the only Cinque Port north of the Thames. In earlier centuries the northern limit was taken as the Shoe Beacon in Essex. The
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