Llywelyn ap Gruffudd

Written by Simon Williams

Llywelyn ap Gruffudd united more of Wales than any ruler before him, winning formal recognition as Prince of Wales in the 1267 Treaty of Montgomery. He died resisting Edward I at Cilmeri in 1282, ending centuries of native Welsh sovereignty.

• Born: c. 1223, Gwynedd
• Died: 11 December 1282, Cilmeri, near Builth Wells
• Title: Prince of Wales (recognised by England, 1267)
• Key treaty: Treaty of Montgomery, 1267
• Opponent: King Edward I of England
• Dynasty: House of Aberffraw (Gwynedd)

The Last Prince of Independent Wales

The 13th century saw constant conflict between the independent Welsh principalities and the encroaching English kings seeking to conquer the whole island of Britain. While the Anglo-Norman Marcher lords successfully established footholds in parts of Wales, the native Welsh princes fought to retain their autonomy. The most powerful and successful ruler defending Wales against English imperialism was Llywelyn ap Gruffudd.

Defending Welsh Independence from England

Who was Llywelyn ap Gruffudd?

Llywelyn ap Gruffudd (c. 1223 to 1282) was the Prince of Gwynedd from 1246 until his death. Through both warfare and diplomacy, he expanded his rule over a greater part of Wales than any ruler before him. Known as Llywelyn the Last or Llywelyn Ein Llyw Olaf in Welsh, he was recognized as the Prince of Wales and representative of the Welsh nation. He resisted growing English domination and is remembered as a hero of Welsh independence.

Llywelyn United Much of Wales

At his peak in the late 13th century, Llywelyn directly ruled over Gwynedd and had alliances and pacts with other Welsh principalities, controlling almost two-thirds of the area of modern-day Wales. He unified more of Wales than any leader before him, beginning the realization of his grandfather's vision of a single Welsh nation under one chosen leader.

As King Edward I expanded English authority over the whole island of Britain, Llywelyn refused to give fealty to the English crown or see Wales subjected. In 1277 and 1282, he launched revolts attempting to defend Welsh independence and sovereignty. His defeat and death in 1282 during the final rebellion marked the conquest of medieval Wales. Centuries later, he remains a powerful symbol of Welsh cultural identity and resistance to oppression.

Llywelyn ap Gruffudd's Upbringing and Origins

Born around 1223, Llywelyn ap Gruffudd was part of the royal house of Gwynedd, one of the main Welsh ruling families tracing descent from Rhodri the Great of Gwynedd. His grandfather was Llywelyn the Great, also known as Llywelyn Fawr, who briefly united a greater part of Wales in the early 13th century. Llywelyn's father Gruffudd ap Llywelyn ruled Gwynedd jointly with his uncle Dafydd ap Llywelyn until conflict split them apart.

Inheriting Gwynedd and Expanding Rule

When his uncle Dafydd died childless in 1246, the 23-year-old Llywelyn claimed his inheritance and was confirmed as the new Prince of Gwynedd by King Henry III of England. In the first decades of his rule, he secured control over parts of mid-Wales and allied with other Welsh princely houses through battle and marriage alliances. By recognizing Llywelyn's growing power, the English crown granted him the title of Prince of Wales in 1258.

Consolidation of Power in Wales

Through warfare, skilled diplomacy and imprisonment of rival claimants, Llywelyn steadily expanded his authority across north and mid-Wales. In 1263, he occupied Powys land and captured its hereditary ruler, whom Llywelyn would keep imprisoned for over twenty years to neutralize opposition. Through control of the Perfeddwlad region, he could unite northern and southern parts of Wales for the first time since his famous grandfather Llywelyn Fawr. At his peak, almost all Welsh lords paid homage to him as the singular ruler of Wales.

Llywelyn Rules Over Most of Wales

By 1260, Llywelyn had consolidated control across Gwynedd, Powys, parts of Deheubarth and the Perfeddwlad through shrewd tactics and force of arms. He had married the daughter of Simon de Montfort, Earl of Leicester, gaining a powerful ally against King Henry III. When de Montfort rebelled against Henry III, Llywelyn capitalized on the chaos of England's Second Barons' War. He conquered new lands along the March borderlands and recovered many areas that had been taken centuries before by Anglo-Norman knights.

Refusing Fealty to the English Crown

Even at the apex of his power, Llywelyn resisted surrendering Welsh independence to England. He styled himself as the Prince of Aberffraw and Lord of Snowdonia, but refused King Henry III's demand he pay fealty to the English crown as Lord of Wales. As heir to Rhodri the Great and Cadwaladr, in the Welsh mindset, his authority came not from English kings but from God alone as defender of the Welsh nation.

The 1267 Treaty of Montgomery

After Simon de Montfort's defeat and death, a weakened Llywelyn was forced to sign the Treaty of Montgomery in 1267. While he retained control of Wales west of the River Conwy, he had to surrender recent eastern gains. He also agreed to do homage and fealty to the crown for his remaining lands. The treaty marked the limits of how far Llywelyn could advance Welsh interests without continued warfare against England.

Defiance of the English Crown under Edward I

In 1272, Henry III died and his militaristic son Edward I succeeded him as king of England. Determined to command the whole of Britain, Edward required Llywelyn's homage as Prince of Wales by 1274. But Llywelyn merely promised to remain faithful to King Henry's commitments, not submit to England's direct overlordship. Tensions built over years until conflict erupted in 1276 when Edward attempted to build new castles across Wales' northern frontier.

The War of 1277 Against England

In November 1276, Llywelyn refusing Edward's demands and allied with other Welsh princes to launch war against the English crown's encroachments on his territory. The initial campaign saw notable victories, with the Welsh regaining many commotes in the north previously lost. But by 1277, superior English resources and Edward's strategy gained ground and Llywelyn agreed to peace talks. The resulting Treaty of Aberconwy in November 1277 again limited Welsh sovereignty but saved Llywelyn's rule west of the Conwy valley.

Final War and Death at Cilmeri

The peace lasted only a few years before Llywelyn's brother Dafydd launched a new rebellion in 1282 after being stripped of lands bequeathed by Edward. Llywelyn joined forces with his brother against England. Despite guerilla victories, the English forces' advance could not be stopped. Attacked whilst campaigning southeast of Snowdonia in December 1282, Llywelyn was killed at the Battle of Orewin Bridge near Builth Wells. His death symbolised Wales' last gasp for independence from English rule.

Llywelyn ap Gruffudd as an Enduring Symbol

Despite his ultimate defeat, Llywelyn's determined struggle to maintain Welsh independence made him a revered national hero. He was the last sovereign ruler to claim the title of Prince of Wales and command the loyalty of most Welsh lords. To his conquered people, his valiant but doomed war represented the end of their centuries-long autonomy from England's domination.

Remembered as a Fierce Defendant of Wales

While the death of Llywelyn ap Gruffudd brought about the conquest of independent Welsh rule, his courageous refusal to submit fuelled later rebellions for many generations. He died defending Wales from subjugation by England, torn between crown and country. He is memorialised in Welsh poetry and song as the nation's fallen champion.

The Eternal, Tragic Personification of Welsh Independence

Nearly 700 years after his death in battle, Llywelyn remains one of history's most iconic embodiments of Welsh nationalism and cultural pride. Portrayed as the righteous, martyred defender of an oppressed people struggling to retain their sovereignty and identity, his legacy is still invoked today by Welsh independence movements. For the conquered descendant nation, he eternally symbolises the lost golden era of autonomous Welsh princedoms before England's domination.

This article is part of the Princes of Wales series. Read all articles at historiesandcastles.com/blogs/princes-of-wales.

Deepen Your Understanding

→ Llywelyn the Great — Llywelyn ap Gruffudd's grandfather and the architect of Welsh sovereignty, whose Treaty of Worcester precedent Llywelyn built upon and whose vision of a unified Wales he came closest to realising.

→ Owain Gwynedd — The twelfth-century ruler of Gwynedd whose successful resistance to Henry II established Gwynedd's tradition of principled defiance that Llywelyn ap Gruffudd inherited and extended.

→ Owain Glyndŵr — The last claimant to the title of Prince of Wales, whose 1400 revolt drew directly on the memory of Llywelyn ap Gruffudd and sought to reverse the political settlement imposed by Edward I in 1282.

→ Medieval Princes of Wales: Power and Conquest — An overview of the Welsh ruling tradition from Rhodri the Great to Owain Glyndŵr, placing Llywelyn ap Gruffudd within the full arc of Welsh medieval history.

People Also Ask

Who was Llywelyn ap Gruffudd?

Llywelyn ap Gruffudd, known in Welsh as Llywelyn Ein Llyw Olaf (Llywelyn Our Last Leader), was the Prince of Gwynedd from 1246 and the last native ruler to hold the formally recognised title of Prince of Wales. Born around 1223 as the grandson of Llywelyn the Great, he united more of Wales under a single ruler than any predecessor, at his peak commanding the homage of almost all Welsh lords. He was killed at the Battle of Orewin Bridge in December 1282 during a revolt against Edward I, and his death marked the end of independent Welsh sovereignty under native princes.

How did Llywelyn ap Gruffudd become Prince of Wales?

Llywelyn rose to prominence by consolidating control over Gwynedd following the death of his uncle Dafydd in 1246, and then steadily extending his authority over other Welsh lords through warfare and diplomacy. He took advantage of English political weakness during the Second Barons' War in the 1260s, when Simon de Montfort's rebellion against Henry III created an opening for Welsh expansion. In 1267, the Treaty of Montgomery with Henry III formally recognised him as Prince of Wales with feudal suzerainty over the other Welsh lords, the highest point of English recognition ever granted to a Welsh ruler.

What was the Treaty of Montgomery?

The Treaty of Montgomery, signed in September 1267 between Llywelyn ap Gruffudd and Henry III of England, was the formal agreement by which the English Crown recognised Llywelyn's title as Prince of Wales and his suzerainty over the other native Welsh lords. In return, Llywelyn agreed to pay Henry a substantial sum and to perform homage to the English crown for his principality. It was the high-water mark of medieval Welsh political recognition, and the only occasion on which an English king formally acknowledged a Welsh ruler as sovereign prince over a unified Wales. The treaty was effectively undone by Edward I's campaigns of 1277 and 1282.

Why did Llywelyn ap Gruffudd conflict with Edward I?

When Edward I became king in 1272, he demanded that Llywelyn come to perform homage in person, which Llywelyn refused repeatedly, citing safety concerns and grievances over border violations and English interference in Welsh affairs. Llywelyn was also engaged to Eleanor de Montfort, daughter of the rebel Simon de Montfort, which Edward viewed as a provocation. After years of escalating tension, Edward launched a military campaign in 1276, forcing Llywelyn to accept the restrictive Treaty of Aberconwy in 1277. A second revolt began in 1282 when Llywelyn's brother Dafydd attacked English-held castles, and Llywelyn joined the rebellion before being killed later that year.

How did Llywelyn ap Gruffudd die?

Llywelyn was killed on 11 December 1282 near Builth Wells at the Battle of Orewin Bridge, while campaigning in mid-Wales to gather support for the revolt against Edward I. The exact circumstances of his death remain disputed: some accounts suggest he was separated from his main force and killed in a chance encounter with English soldiers who did not initially know his identity. His head was subsequently sent to London and displayed on the Tower, a deliberate act of propaganda to signal the end of Welsh princely authority. His brother Dafydd continued the revolt briefly but was captured and executed in 1283, ending the male line.

Why is Llywelyn ap Gruffudd called "The Last"?

Llywelyn ap Gruffudd is called "The Last" because he was the final native Welshman to hold the formally recognised title of Prince of Wales under English acknowledgement, and the last ruler to command the allegiance of most Welsh lords as a sovereign prince. After his death in 1282 and the execution of his brother Dafydd in 1283, Edward I issued the Statute of Rhuddlan in 1284, abolishing the native principality and incorporating Wales into English administrative structures. Although Owain Glyndŵr claimed the title more than a century later, he was never recognised by England, making Llywelyn ap Gruffudd the last to hold it by formal treaty right.

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