Penllyn (head of the lake i.e.

Bala Lake Bala Lake ( cy, Llyn Tegid ) is a large freshwater glacial lake in Gwynedd, Wales. The River Dee, which has its source on the slopes of Dduallt in the mountains of Snowdonia, feeds the long by wide lake. It was the largest natural body of ...

or ) was a medieval

cantref A cantref ( ; ; plural cantrefi or cantrefs; also rendered as ''cantred'') was a medieval Welsh land division, particularly important in the administration of Welsh law. Description Land in medieval Wales was divided into ''cantrefi'', which wer ...

originally in the

Kingdom of Powys The Kingdom of Powys ( cy, Teyrnas Powys; la, Regnum Poysiae) was a Welsh successor state, petty kingdom and principality that emerged during the Middle Ages following the end of Roman rule in Britain. It very roughly covered the northern ...

but annexed to the

Kingdom of Gwynedd The Kingdom of Gwynedd (Medieval Latin: ; Middle Welsh: ) was a Welsh kingdom and a Roman Empire successor state that emerged in sub-Roman Britain in the 5th century during the Anglo-Saxon settlement of Britain. Based in northwest Wales, ...

. It consisted of the

commote A commote (Welsh ''cwmwd'', sometimes spelt in older documents as ''cymwd'', plural ''cymydau'', less frequently ''cymydoedd'')'' Geiriadur Prifysgol Cymru'' (University of Wales Dictionary), p. 643 was a secular division of land in Medieval Wal ...

s () of Edeyrnion, Dinmael, and ( signifying 'below' and 'above' the

River Tryweryn The Tryweryn is a river in the north of Wales which starts at Llyn Tryweryn in the Snowdonia National Park and after joins the river Dee at Bala. One of the main tributaries of the Dee, it was dammed in 1965 to form Llyn Celyn, drowning the v ...

). On the north and west it bordered Gwynedd (the cantrefi of

Tegeingl Tegeingl, in English Englefield, was a cantref in north-east Wales during the mediaeval period. It was incorporated into Flintshire following Edward I of England's conquest of northern Wales in the 13th century. Etymology The region's name was ...

Rhufoniog {{coord, 52.950, -3.275, display=title, region:GB_scale:20000 Rhufoniog was a small sub-kingdom of the Dark Ages Gwynedd, and later a cantref in medieval Wales. Geography The cantref Rhos lay between it and the Irish Sea. Sometimes the two ...

Dunoding Dunoding was an early sub-kingdom within the Kingdom of Gwynedd in north-west Wales that existed between the 5th and 10th centuries. According to tradition, it was named after Dunod, a son of the founding father of Gwynedd - Cunedda Wledig - w ...

and

Meirionydd Meirionnydd is a coastal and mountainous region of Wales. It has been a kingdom, a cantref, a district and, as Merionethshire, a county. Kingdom Meirionnydd (Meirion, with -''ydd'' as a Welsh suffix of land, literally ''Land adjoined to Me ...

); it bordered the Powys cantrefi of Maelor,

Mochnant Mochnant, a name translating as "the rapid stream", was a medieval cantref in the Kingdom of Powys. In the 12th century it was divided into the commotes of Mochnant Is Rhaeadr (in the north) and Mochnant Uwch Rhaeadr (in the south) (''Is'' signif ...

and

Cyfeiliog Cyfeiliog was a medieval commote in the cantref of Cynan of the Kingdom of Powys. Cynan also contained the commote of Mawddwy. Other sources refer to Cyfeiliog as a cantref in its own right, possibly as a result of Cynan's being renamed for the la ...

on the east and south. After the death of

Madog ap Maredudd Madog ap Maredudd ( wlm, Madawg mab Maredud, ; died 1160) was the last prince of the entire Kingdom of Powys, Wales and for a time held the Fitzalan Lordship of Oswestry. Madog was the son of King Maredudd ap Bleddyn and grandson of King Bledd ...

, the last Prince of the whole of Powys, and his eldest son and heir in 1160, the kingdom was divided between his surviving sons

Gruffydd Maelor Gruffydd Maelor (died 1191) was Prince of Powys Fadog in Wales. He is known as Gruffydd Maelor I to distinguish him from his grandson, Gruffydd Maelor II (died 1269). Lineage He was a son of Prince Madog ap Maredudd by Susanna, daughter of ...

, Owain Fychan and Owain Brogyntyn, his nephew Owain Cyfeiliog and his half-brother Iorwerth Goch. Penllyn was inherited by Owain Brogyntyn; Edeyrnion had been the home of his mother (who was not married to his father) and he may also have been raised there. The military skill and strength of Madog had prevented Gwynedd from asserting

hegemony Hegemony (, , ) is the political, economic, and military predominance of one state over other states. In Ancient Greece (8th BC – AD 6th ), hegemony denoted the politico-military dominance of the ''hegemon'' city-state over other city-states. ...

over Powys, but following Madog's death, it was able to force Owain Brogyntyn to become a

vassal A vassal or liege subject is a person regarded as having a mutual obligation to a lord or monarch, in the context of the feudal system in medieval Europe. While the subordinate party is called a vassal, the dominant party is called a suzerain. ...

. Penllyn was thus annexed to Gwynedd. Following the eventual defeat of Gwynedd by English forces, and the consequent

Statute of Rhuddlan The Statute of Rhuddlan (12 Edw 1 cc.1–14; cy, Statud Rhuddlan ), also known as the Statutes of Wales ( la, Statuta Valliae) or as the Statute of Wales ( la, Statutum Valliae, links=no), provided the constitutional basis for the government of ...

, it became part of

Merionethshire , HQ= Dolgellau , Government= Merionethshire County Council (1889-1974) , Origin= , Status= , Start= 1284 , End= , Code= MER , CodeName= ...

References

{{reflist Cantrefs History of Powys