absence his duties were performed by his seneschal. The purpose-built royal palace used from the 1160s onwards was located south of Jerusalem's citadel. The Kingdom of Jerusalem introduced French feudal structures to the Levant. The king personally held several fiefs incorporated into the royal domain, that varied from king to king. He was also responsible for leading the kingdom into battle, although this duty could be passed to a constable. While several contemporary European states were moving towards centralized monarchies, the king of Jerusalem was continually losing power to the strongest of his barons. This was partially due to the young age of many of the kings, and the frequency of regents from the ranks of the nobles. After the fall of Jerusalem in 1187, the capital of the kingdom was moved to Acre, where it remained until 1291, although coronations took place in Tyre. In this period the kingship was often simply a nominal position, held by a European ruler who never actually lived in Acre. When young Conrad III was king and living in Southern Germany, his father's second cousin, Hugh of Brienne, claimed the regency of the Kingdom of Jerusalem and, indirectly, his place in the succession. The claim was made in 1264 as senior descendant and rightful heir of Alice of Champagne, second daughter of Queen Isabella I, Hugh being the son of their eldest daughter. But was passed over by the Haute Cour in favour of his cousin, Hugh of Antioch, the future Hugh III of Cyprus and Hugh I of Jerusalem. After Conrad III's execution by Charles I of Sicily in 1268, the kingship was held by the Lusignan family, who were simultaneously kings of Cyprus. However, Charles I of Sicily purchased the rights of one of the heirs of the kingdom in 1277. In that year, he sent Roger of Sanseverino to the East as his bailiff. Roger captured Acre and obtained a forced homage from the barons. Roger was recalled in 1282 due to the Sicilian Vespers and left Odo Poilechien in his place to rule. His resources and authority was minimal, and he was ejected by Henry II of Cyprus when he arrived from Cyprus for his coronation as King of Jerusalem. Acre was captured by the Mamluks in 1291, eliminating the crusader presence on the mainland. House of Boulogne (1099–1118) House of Rethel (1118–1153) House of Anjou (1153–1205) In 1127