They were subordinate to the local castellany. Later the castellan came to serve as the representative of the people of his castellany. After 1155 it became the center of a Piast castellany district. This came about when the castellany of Monthey was divided in 1787. I the Tall from 1163, and was the seat of a castellany. By the late 13th century, Nasielsk emerged as the seat of a castellany. His first adult responsibility recorded is the castellany of Faverges in 1353. A castellany, or castellania, is a term denoting a district administered by a castellan. The Castellany belonged to the Diocese of Metz. The city of Bruges was separated from the castellany in 1127. In 1227 he reorganized it as a castellany of the county of Champagne. The head of the castellany was a burgrave, who represented the Count of Flanders. The Polish rulers had a castellany built at the river to control it. The castellany was then a part of Duchy of Silesia. The "Weichbild" constitution replaced the old Slavic castellany constitution.