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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In 1047 Gruffydd ap Llywelyn was expelled from Deheubarth - which encompassed modern-day Pembrokeshire - and Gruffydd ap Rhydderch of Gwent took over.
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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Gruffydd ap Llywelyn made it one of his headquarters in his mid-eleventh-century campaign; a Norman castle was built there and a new borough, as well as further castles close by and off the hills at Prestatyn and Dyserth also; and it was Rhuddlan that was fortified by Edward I, in the scheme of castle-boroughs stretching from Caernarfon to Flint, with an overall view to the domination of the river-valleys and hinterland.
The manor, near present-day Mold, and including a church at Gwysane, is described by Domesday as a former court of Gruffydd ap Llywelyn, king of Wales 1055-63.
It was the royal seat of Welsh prince Gruffydd ap Llywelyn three centuries later.