Origins & Early Life

Llywelyn ab Iorwerth (1173 – 11 April 1240), also known as Llywelyn Fawr or Llywelyn the Great, was Prince of Gwynedd from 1199 until his death in 1240. His reign saw Gwynedd transformed from a territory suffering from thirty years of civil war into a polity which could exercise suzerainty over most other native Welsh rulers. He received official recognition of his status from the English Crown, but experienced difficulty establishing lasting control over his ostensible vassals and struggled to ensure a smooth succession for his chosen heir, Dafydd ap Llywelyn, son of Llywelyn and Joan, a daughter of King John. He suffered a paralytic stroke in 1237, and died on 11 April 1240, leaving Dafydd to succeed him to the precarious principality.

Pivotal Works & Achievements

During Llywelyn's childhood, Gwynedd was ruled by two of his uncles, who split the kingdom between them, following the death of Llywelyn's grandfather, Owain Gwynedd, in 1170. Llywelyn began a campaign to win power at an early age, battling his uncles Rhodri and Dafydd ab Owain Gwynedd. Rhodri died in 1195, and Gruffudd and Maredudd ap Cynan took over his lands in Gwynedd Uwch Conwy. Dafydd ab Owain was captured by Llywelyn in 1197 and subsequently...

Enduring Legacy & Impact

The historical impact and works continue to influence the modern world.

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