Bailiwick of Guernsey Bailiwick of Guernsey The Bailiwick of Guernsey () is one of three Crown dependencies. Separated from the Dukedom and Duchy of Normandy by and under the terms of the Treaty (or Peace) of Le Goulet in 1204, the Bailiwick comprises a number of islands in the English Channel which fall into three separate sub-jurisdictions: Guernsey, Alderney and Sark. A bailiwick is a territory administered by a Bailiff. The Bailiff of Guernsey is the civil head, and presiding officer of the States of Guernsey, but not of Alderney or Sark. He is the head of the judiciary of the Bailiwick. The
Alderney From 1612, a Judge was appointed to assist the Governor's administration of Alderney, along with the Jurats. The function of the Judge was similar to that of the Bailiffs of Guernsey and Jersey, and continued until 1949. During the Wars of the Three Kingdoms, Alderney was held by a Parliamentary garrison under Nicholas Ling, Lieutenant-Governor. Ling built Government House (now the Island Hall). The de Carterets of Jersey acquired the governorship, later passing it to Sir Edmund Andros of Guernsey, from whom the Guernsey family of Le Mesurier inherited it, thus establishing a hereditary line of governors that lasted until