OCR Specification focus:
‘Establishment, development, reasons for survival of Crusader States, including Jerusalem and Antioch; the role of rulers (especially the Kings of Jerusalem); western aid.’
The Crusader States were established following the success of the First Crusade, serving as fragile Christian outposts in a hostile region. Their rulers and support from the West were essential to their development and survival.
Establishment of the Crusader States
Capture and Division of Territories
The Crusader States emerged between 1098 and 1100, following the capture of key cities by the First Crusade.

A clear, labelled map of Outremer in the twelfth century, highlighting the Kingdom of Jerusalem, Principality of Antioch, County of Tripoli, and County of Edessa, with key cities and frontiers. Use it to contextualise establishment, geography, and strategic coastal corridors that underpinned Western aid and maritime supply. Source
County of Edessa (1098): Established when Baldwin of Boulogne took control, marking the first Crusader State.
Principality of Antioch (1098): Founded after Bohemond seized Antioch.
County of Tripoli (1102–1109): Consolidated under Raymond of Toulouse’s followers.
Kingdom of Jerusalem (1099): Created after the capture of Jerusalem, with Godfrey of Bouillon becoming the first ruler.
The division reflected both the leaders’ personal ambitions and the need to secure territorial control in a dangerous frontier environment.
The Role of Conquest
The Crusader States were carved from Byzantine territory and Muslim-controlled lands. Their survival required fortified settlements, alliances with local Christian populations, and the imposition of feudal governance structures imported from the West.
Development of the Crusader States
Feudal Structures and Governance
The Crusader States were organised on feudal principles, though adapted for the Near Eastern context.
Lords controlled estates granted by rulers.
Vassalage ensured military service.
Castles served as both defensive fortresses and administrative centres.
Integration with Local Populations
The rulers governed a diverse population of Latins, Eastern Christians, Muslims, and Jews. Pragmatism was often necessary:
Local Christian elites were integrated into administration.
Muslims frequently retained land in exchange for taxation.
Trade links with Italian city-states like Genoa, Pisa, and Venice strengthened the economy.
External Support
The Crusader States were fragile and relied heavily on external aid:
Pilgrims from the West brought both manpower and resources.
Italian naval support secured coastal cities and maritime supply routes.
Military Orders, such as the Templars and Hospitallers, later reinforced their defences.
Reasons for Survival of the Crusader States
Fortifications and Military Tactics
Strong castles such as Krak des Chevaliers and Kerak enabled small numbers of defenders to withstand superior Muslim forces.

A high-resolution, labelled plan of Krak des Chevaliers (1170–1200) showing outer and inner curtain walls, towers, and approaches—an exemplar of concentric defence. It demonstrates how fortress design multiplied defensive power and compensated for limited manpower. Source
Fragmentation of the Islamic World
The early twelfth century saw deep political and religious divisions among Muslim powers:
Rivalry between Sunni Seljuks and Shi’a Fatimids.
Competition among regional emirs and sultans.
This disunity allowed the Crusader States to consolidate without facing a unified Islamic counterattack.
Western Aid
Regular reinforcement from Europe was a lifeline:
The arrival of new crusaders in 1101 and later expeditions bolstered manpower.
Western monarchs and nobles sent funds, supplies, and knights.
Italian maritime republics ensured trade and naval dominance in the eastern Mediterranean.
The Role of Rulers
Godfrey of Bouillon (1099–1100)
Refused the title of king, instead taking the title Advocate of the Holy Sepulchre, presenting himself as a protector of the holy city. His leadership set a religious tone for rule in Jerusalem.
Baldwin I (1100–1118)
Baldwin I: The first King of Jerusalem (1100–1118), who expanded the kingdom’s territory through conquest and consolidation.
He transformed Jerusalem into a kingdom, asserting strong monarchical authority. His campaigns secured coastal ports such as Acre, essential for supply and communication with the West.
Baldwin II (1118–1131)
Baldwin II stabilised succession and strengthened ties with the Latin Church. He was also instrumental in supporting the newly founded military orders, recognising their role in defence.
Kings of Jerusalem after Baldwin II
Fulk of Anjou (1131–1143): Consolidated dynastic authority by marrying Melisende, Baldwin II’s daughter.
Baldwin III (1143–1163): Oversaw further political development, including growing disputes between monarchy and nobility.
Amalric I (1163–1174): Attempted expansion into Egypt, though with mixed results.
These rulers emphasised military campaigns, dynastic stability, and diplomacy with both Christian and Muslim powers.
Antioch and Other States
In Antioch, leaders like Bohemond I and Tancred played crucial roles. Their leadership was marked by independence from Jerusalem and tensions with Byzantium, yet they were vital in holding the northern frontier.
Western Aid and the Rulers’ Role in Securing It
The rulers of Jerusalem actively sought and maintained Western support:
Letters and appeals to the papacy urged reinforcements.
Strategic marriages with European nobility strengthened dynastic links.
Hosting pilgrims and crusaders reinforced the spiritual image of the Holy Land, encouraging continued Western involvement.
Legacy of Rulership in the Twelfth Century
The rulers of the Crusader States shaped the fragile survival of these enclaves. Their ability to adapt Western feudal practices, exploit divisions in the Islamic world, and harness aid from Europe explains their resilience despite constant threats. The kings of Jerusalem, above all, provided the leadership that kept the Crusader States functioning as viable Christian outposts in the Near East.
FAQ
Rulers governed a mosaic of Latin settlers, Eastern Christians, Muslims, and Jews. Balancing religious tensions while maintaining order was complex.
They often allowed local customs to continue under taxation. Eastern Christians were sometimes entrusted with administrative roles, while Muslims were permitted to farm or trade if they paid dues.
This pragmatism reduced rebellion but meant rulers constantly balanced religious zeal with practical governance.
Dynastic marriages linked Crusader rulers to powerful European families. This helped:
Secure recognition and legitimacy in Western courts.
Attract reinforcements or financial support from influential relatives.
Build alliances that deterred rivals both within Outremer and in Europe.
A key example is Fulk of Anjou’s marriage to Melisende, which stabilised the Jerusalem succession and tied the kingdom to one of Europe’s most influential noble houses.
Ports like Acre, Jaffa, and Tyre allowed supplies, reinforcements, and pilgrims to arrive directly from Europe.
Without these connections, Jerusalem would have been cut off in a hostile region.
The Italian maritime republics played a critical role, exchanging naval support for trading privileges. This ensured the steady flow of resources and strengthened the economic base of the kingdom.
Rulers positioned themselves as defenders of holy places. Godfrey of Bouillon styled himself “Advocate of the Holy Sepulchre,” emphasising his protective rather than regal role.
Kings sponsored church building, supported Latin clergy, and encouraged pilgrimages, framing their rule as part of a wider Christian mission.
This religious identity boosted their prestige and encouraged continued Western support.
Although the Crusader States had been carved partly from Byzantine territory, relations were uneasy.
Byzantium expected recognition of its overlordship, particularly in Antioch.
Crusader leaders often resisted these demands, seeking independence.
Occasional alliances with Byzantium provided military aid, but mistrust persisted, undermining cooperation against Muslim powers.
This strained relationship limited the Crusader States’ ability to form a united Christian front in the East.
Practice Questions
Question 1 (2 marks)
Name two Crusader States established as a result of the First Crusade.
Mark Scheme:
1 mark for each correctly identified Crusader State (maximum 2).
Acceptable answers:County of Edessa
Principality of Antioch
County of Tripoli
Kingdom of Jerusalem
Question 2 (6 marks)
Explain two reasons why the Crusader States survived during the early twelfth century.
Mark Scheme:
Up to 3 marks for each reason explained (maximum 6).
Award 1 mark for identifying a valid reason, plus up to 2 further marks for clear explanation showing how or why it contributed to survival.
Indicative content:
Military fortifications: Castles such as Krak des Chevaliers allowed small forces to withstand larger Muslim armies. (1 mark for identification, 2 marks for explanation of defensive advantage and deterrence).
Divisions in the Islamic world: Rivalry between Sunni Seljuks and Shi’a Fatimids prevented a unified counterattack. (1 mark for identification, 2 marks for explanation of how this bought time for consolidation).
Western aid: Reinforcements, funding, and naval support from Europe helped sustain manpower and secure vital coastal ports. (1 mark for identification, 2 marks for explanation of reliance on Western links).
Maximum 6 marks. Two reasons fully explained are required for full marks.