The Battle of Mechain was fought in

Powys Powys (; ) is a Local government in Wales#Principal areas, county and Preserved counties of Wales, preserved county in Wales. It is named after the Kingdom of Powys which was a Welsh succession of states, successor state, petty kingdom and princi ...

Wales Wales ( cy, Cymru ) is a Countries of the United Kingdom, country that is part of the United Kingdom. It is bordered by England to the Wales–England border, east, the Irish Sea to the north and west, the Celtic Sea to the south west and the ...

, in 1070, for rule of the Welsh kingdoms of

Gwynedd Gwynedd (; ) is a Local government in Wales#Principal areas, county and preserved county (latter with differing boundaries; includes the Isle of Anglesey) in the North West Wales, north-west of Wales. It shares borders with Powys, Conwy County B ...

and

. A written account is included in the ''

Brut y Tywysogion ''Brut y Tywysogion'' ( en, Chronicle of the Princes) is one of the most important primary sources for Welsh history. It is an annalistic chronicle that serves as a continuation of Geoffrey of Monmouth’s ''Historia Regum Britanniae''. ''Brut ...

'', the medieval Welsh chronicle of the princes. It is also referred to in the work of medieval poets such as

Lewys Glyn Cothi Lewys Glyn Cothi (c. 1420 – 1490), also known as Llywelyn y Glyn, was a prominent 15th century Welsh poet who composed numerous poems in the Welsh language. He is one of the most important representatives of the ''Beirdd yr Uchelwyr'' ("Poets of ...

. After the murder of

Gruffydd ap Llywelyn Gruffydd ap Llywelyn ( 5 August 1063) was King of Wales from 1055 to 1063. He had previously been King of Gwynedd and Powys in 1039. He was the son of King Llywelyn ap Seisyll and Angharad daughter of Maredudd ab Owain, and the great-gre ...

Harold Godwinson Harold Godwinson ( – 14 October 1066), also called Harold II, was the last crowned Anglo-Saxon English king. Harold reigned from 6 January 1066 until his death at the Battle of Hastings, fighting the Norman invaders led by William the ...

married his widow Ealdgyth and divided Gruffydd's realm into the traditional kingdoms of

and

, the rule of which were given to

Bleddyn ap Cynfyn Bleddyn ap Cynfyn ( owl, Bledẏnt uab Kẏn ỽẏn; AD 1075), sometimes spelled Blethyn, was an 11th-century Welsh king. Harold Godwinson and Tostig Godwinson installed him and his brother, Rhiwallon, as the co-rulers of Gwynedd ...

and his brother

Rhiwallon ap Cynfyn Rhiwallon ap Cynfyn () was an 11th-century Welsh King and co-ruler of the kingdoms of Gwynedd and Powys from 1063 to 1070.Pierce, T. J., (1959). RHIWALLON ap CYNFYN (died 1070), king of Powys. Dictionary of Welsh Biography. Retrieved 23 Aug 2020, ...

. Gruffydd left two sons Maredudd and Idwalwho in 1070 challenged Bleddyn and Rhiwallon at Mechain in an attempt to win back part of their father's kingdom. However, both sons were defeated, Idwal (or Ithel) being killed in combat and Maredudd dying of exposure after the battle. Rhiwallon was also killed in this battle, leaving Bleddyn to rule Gwynedd and Powys alone.

References

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Mechain Mechain was a medieval cantref in the Kingdom of Powys. This cantref has also been referred to as Y Fyrnwy (''Vyrnwy''). Mechain may owe its name to the River Cain which flows through it on its way to join the River Vyrnwy; 'Me' or 'Mach' (c.f. ...

11th century in Wales History of Powys

History of Gwynedd 1067 in Europe {{battle-stub