The title King of the Britons ( cy, Brenin y Brythoniaid, la, Rex Britannorum) was used (often retrospectively) to refer to the most powerful ruler among the Celtic Britons, both before and after the period of

Roman Britain Roman Britain was the period in classical antiquity when large parts of the island of Great Britain were under occupation by the Roman Empire. The occupation lasted from AD 43 to AD 410. During that time, the territory conquered wa ...

up until the

Norman invasion of Wales The Norman invasion of Wales began shortly after the Norman conquest of England under William the Conqueror, who believed England to be his birthright. Initially (1067–1081), the invasion of Wales was not undertaken with the fervour and purpose ...

and the Norman conquest of England. Britons were the Brittonic-speaking (ancestral language of

Welsh Welsh may refer to: Related to Wales * Welsh, referring or related to Wales * Welsh language, a Brittonic Celtic language spoken in Wales * Welsh people People * Welsh (surname) * Sometimes used as a synonym for the ancient Britons (Celtic peop ...

) peoples of what is now

Wales Wales ( cy, Cymru ) is a country that is part of the United Kingdom. It is bordered by England to the east, the Irish Sea to the north and west, the Celtic Sea to the south west and the Bristol Channel to the south. It had a population in ...

England England is a country that is part of the United Kingdom. It shares land borders with Wales to its west and Scotland to its north. The Irish Sea lies northwest and the Celtic Sea to the southwest. It is separated from continental Europe b ...

and southern Scotland. The Britons are the ethnic ancestors of the

in addition to the Cornish and

Bretons The Bretons (; br, Bretoned or ''Vretoned,'' ) are a Celtic ethnic group native to Brittany. They trace much of their heritage to groups of Brittonic speakers who emigrated from southwestern Great Britain, particularly Cornwall and Devon, mo ...

. During the

Norman Norman or Normans may refer to: Ethnic and cultural identity * The Normans, a people partly descended from Norse Vikings who settled in the territory of Normandy in France in the 10th and 11th centuries ** People or things connected with the Norm ...

and

Plantagenet The House of Plantagenet () was a royal house which originated from the lands of Anjou in France. The family held the English throne from 1154 (with the accession of Henry II at the end of the Anarchy) to 1485, when Richard III died in ...

periods, only Wales (or parts thereof) remained under Brittonic rule in Britain and the term "Britons" (''Brythoniaid'', ''Britaniaid'', ''Brutaniaid'') was used in Britain to mean the Welsh people (''Cymry'' in modern

). This, and the diminishing power of the Welsh rulers relative to the Kings of England, is reflected in the gradual evolution of the titles by which these rulers were known from "King of the Britons" in the 11th century to "

Prince of Wales Prince of Wales ( cy, Tywysog Cymru, ; la, Princeps Cambriae/Walliae) is a title traditionally given to the heir apparent to the English and later British throne. Prior to the conquest by Edward I in the 13th century, it was used by the rulers ...

" in the 13th.

''List of the Kings of the Britons, Kings of Wales, Princes of Wales''

Other uses

References

{{reflist, 2 Celtic Britons Britons, King of the Britons, King of the Britons, King of the

''List of the Kings of the Britons, Kings of Wales, Princes of Wales''

Other uses

See also

References