The monarch of Jerusalem was the supreme ruler of the Kingdom of Jerusalem, a Crusader state founded in Jerusalem by the Latin Catholic leaders of the First Crusade, when the city was conquered in 1099. Most of them were men, but there were also five queens regnant of Jerusalem, either reigning alone suo jure ("in her own right"), or as co-rulers of husbands who reigned as kings of Jerusalem jure uxoris ("by right of his wife").
Godfrey of Bouillon, the first ruler of the Kingdom of Jerusalem, refused the title of king choosing instead the title Advocatus Sancti Sepulchri, that is Advocate or Defender of the Church of the Holy Sepulchre. In 1100 Baldwin I, Godfrey's successor, was the first ruler crowned as king. The crusaders in Jerusalem were conquered in 1187, but their Kingdom of Jerusalem survived, moving the capital to Acre in 1191. Crusaders re-captured the city of Jerusalem in the Sixth Crusade, during 1229–1239 and 1241–1244.
The Kingdom of Jerusalem was finally dissolved with the fall of Acre and the end of the Crusades in the Holy Land in 1291.
Even after the Crusader States ceased to exist, the title of "Monarch of Jerusalem" was claimed by a number of European noble houses descended from the kings of Cyprus or the kings of Naples, and is claimed by the current king of Spain.
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Monarchs of Jerusalem (1099–1291)
The Kingdom of Jerusalem had its origins in the First Crusade, when proposals to govern the city as an ecclesiastical state were rejected. In 1099 Godfrey of Bouillon was elected as the first Latin ruler of Jerusalem and was inaugurated in the Church of the Nativity in Bethlehem. He took the title of prince and Advocatus Sancti Sepulchri, meaning Advocate of the Church of the Holy Sepulchre. This was probably in response to the opinion that only Christ could wear a crown in Jerusalem. Advocatus was a title with which Godfrey was already familiar as the term was much used in the lands where the Crusaders originated; it referred to a layman who protected and administered Church estates. The following year, Godfrey died. His brother Baldwin I was the first to use the title of king and the first to be crowned king in the Church of the Holy Sepulchre in Jerusalem itself.
The kingship of Jerusalem was partially elective and partially hereditary. During the height of the kingdom in the mid-12th century there was a royal family and a relatively clear line of succession. Nevertheless, the king was elected, or at least recognized, by the Haute Cour. Here the king was considered a primus inter pares (first among equals), and in his 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.
House of Anjou (1152–1205)
In 1127 Fulk V, Count of Anjou, received an embassy from King Baldwin II of Jerusalem. Baldwin II had no male heirs but had already designated his daughter Melisende to succeed him. Baldwin II wanted to safeguard his daughter's inheritance by marrying her to a powerful lord. Fulk was a wealthy crusader and experienced military commander, and a widower. His experience in the field would prove invaluable in a frontier state always in the grip of war.
However, Fulk held out for better terms than mere consort of the Queen; he wanted to be king alongside Melisende. Baldwin II, reflecting on Fulk's fortune and military exploits, acquiesced. Fulk then resigned his titles to his son Geoffrey and sailed to become King of Jerusalem, where he married Melisende on 2 June 1129. Later Baldwin II bolstered Melisende's position in the kingdom by making her sole guardian of her son by Fulk, Baldwin III, born in 1130.
Fulk and Melisende became joint rulers of Jerusalem in 1131 with Baldwin II's death. From the start Fulk assumed sole control of the government, excluding Melisende altogether. He favored fellow countrymen from Anjou to the native nobility. The other crusader states to the north feared that Fulk would attempt to impose the suzerainty of Jerusalem over them, as Baldwin II had done; but as Fulk was far less powerful than his deceased father-in-law, the northern states rejected his authority.
In Jerusalem as well, Fulk was resented by the second generation of Jerusalem Christians who had grown up there since the First Crusade. These "natives" focused on Melisende's cousin, the popular Hugh II of Jaffa, who was devotedly loyal to the Queen. Fulk saw Hugh as a rival, and in 1134, in order to expose Hugh, accused him of infidelity with Melisende. Hugh rebelled in protest and secured himself to Jaffa, allying himself with the Muslims of Ascalon. He was able to defeat the army set against him by Fulk, but this situation could not hold. The Patriarch interceded in the conflict, perhaps at the behest of Melisende. Fulk agreed to peace and Hugh was exiled from the kingdom for three years, a lenient sentence.
However, an assassination attempt was made against Hugh. Fulk, or his supporters, were commonly believed responsible, though direct proof never surfaced. The scandal was all that was needed for the queen's party to take over the government in what amounted to a palace coup. Author and historian Bernard Hamilton wrote that the Fulk's supporters "went in terror of their lives" in the palace. Contemporary author and historian William of Tyre wrote of Fulk "he never attempted to take the initiative, even in trivial matters, without (Melisende's) consent". The result was that Melisende held direct and unquestioned control over the government from 1136 onwards. Sometime before 1136 Fulk reconciled with his wife, and a second son, Amalric, was born.
Regents
The frequent absence or minority of monarchs required regents to be appointed many times throughout the Kingdom's existence.
Later claims
Over the years, many European rulers claimed to be the rightful heirs to the kingdom. None of these claimants, however, has actually ruled over any part of Outremer:
Count Hugh of Brienne claimed the regency of the Kingdom of Jerusalem, and indirectly, his place in the succession in 1264 as senior heir of Alice of Jerusalem, second daughter of Queen Isabella I, and Hugh I of Cyprus. Hugh, although the son of their eldest daughter, 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. The Brienne claim to the Kingdom of Jerusalem continued, but the family had afterwards next to no part in affairs in Outremer.
Frederick of Meissen, Landgrave of Thuringia, briefly used the title of King of Jerusalem (alongside the titles of King of Sicily and Duke of Swabia) after the death of Conradin in 1268, as grandson of Frederick II, who had crowned himself King of Jerusalem in his own right. This claim was never recognized in Outremer or elsewhere.
After the end of the kingdom, Henry II of Cyprus continued to use the title of King of Jerusalem. After his death the title was claimed by his successors, the kings of Cyprus.
The title was also continuously used by the Angevin kings of Naples, whose founder, Charles I of Anjou, had in 1277 bought a claim to the throne from Mary of Antioch. Thereafter, this claim to the Kingdom of Jerusalem was treated as a tributary of the crown of Naples, which often changed hands by testament or conquest rather than direct inheritance. As Naples was a papal fief, the Popes often endorsed the title of Monarch of Jerusalem as well as of Naples, and the history of these claims is that of the Neapolitan Kingdom. At the time of their dethronement in 1918, the Habsburg Emperors of Austria still used the title King of Jerusalem, one of many dynasties to claim it, having inherited it through the House of Lorraine. In the 18th century, the title was adopted by Leopold, Duke of Lorraine, the father of Francis I, Holy Roman Emperor, in order to claim a royal title. Others claiming to be kings of Jerusalem included the Savoyard kings of Italy, and in the 21st century the title is still among those claimed by the kings of Spain, Juan Carlos I and Felipe VI.
Family tree
This diagram lists the rulers of the kingdom of Jerusalem, since the conquest of the city in 1099, during the First Crusade, to 1291, year of the fall of Acre.


