Gruffydd ap Llywelyn

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Gruffydd ap Llywelyn or Llewelyn

(grĭf`ĭth äp hləwĕl`ĭn, lo͞oĕl`ĭn), d. 1063, ruler of Wales (1039–63). A series of campaigns against other Welsh princes made him the ruler of virtually all Wales. Allied with the outlawed Ælfgar of Mercia, he launched a series of raids into W England, but his power was broken by HaroldHarold,
1022?–1066, king of England (1066). The son of Godwin, earl of Wessex, he belonged to the most powerful noble family of England in the reign of Edward the Confessor. Through Godwin's influence Harold was made earl of East Anglia.
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 in two invasions (1062–63). His defeat plunged Wales into confusion and paved the way for the conquest of Wales by the Normans. His name also appears as Griffith ap Llewelyn.
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One of the clauses compelled the release of the Welsh King, Gruffydd ap Llywelyn Fawr, who had been taken hostage by King John.
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It was the royal seat of Welsh prince Gruffydd ap Llywelyn three centuries later.