Triffyn son of Rhain (; died c. 814) was an 8th- and 9th-century

king King is a royal title given to a male monarch. A king is an Absolute monarchy, absolute monarch if he holds unrestricted Government, governmental power or exercises full sovereignty over a nation. Conversely, he is a Constitutional monarchy, ...

Dyfed Dyfed () is a preserved county in southwestern Wales, covering the modern counties Carmarthenshire, Ceredigion and Pembrokeshire. It is mostly rural area with a coastline on the Irish Sea and the Bristol Channel. Between 1974 and 1996, Dyfed w ...

. He was the son of

Rhain ap Maredudd Rhain son of Maredudd (; died c. 808) was a king of Dyfed, king of kingdom of Dyfed, Dyfed. He ruled following his father Maredudd ap Tewdws and was succeeded by his brother Owain ap Maredudd (Dyfed), Owain. His son Triffyn ap Rhain, Triffyn then ...

. On the death of his father, Triffyn did not succeed himinstead, his uncle

Owain Owain () is a name of Welsh origin, variously written in Old Welsh as Ougein, Eugein, Euguen, Iguein, Ou(u)ein, Eug(u)ein, Yuein, and in Middle Welsh as Ewein, Owein, and Ywein. Other variants of the name Owain include Ewein, Iguein, Owein, Ouein, Y ...

did. After Triffyn succeeded Owain, nothing is known about the realm of Dyfed before Hyfaidd went to

Alfred the Great Alfred the Great ( ; – 26 October 899) was King of the West Saxons from 871 to 886, and King of the Anglo-Saxons from 886 until his death in 899. He was the youngest son of King Æthelwulf and his first wife Osburh, who both died when Alfr ...

in the 880s to request help opposing

Rhodri the Great Rhodri ap Merfyn, commonly known as , was a Welsh king whose legacy has impacted the history of Wales. Rhodri rose to power during a tumultuous era, where the fate of Welsh kingdoms was often determined by the power of their leaders. Early life ...

's younger son Cadell. It's possible the kingdomcrushed by

Coenwulf of Mercia Coenwulf (; also spelled Cenwulf, Kenulf, or Kenwulph; ) was the List of monarchs of Mercia, king of Mercia from December 796 until his death in 821. He was a descendant of King Pybba of Mercia, Pybba, who ruled Mercia in the early 7th century. ...

around 818fell under the control of the

Vikings Vikings were seafaring people originally from Scandinavia (present-day Denmark, Norway, and Sweden), who from the late 8th to the late 11th centuries raided, pirated, traded, and settled throughout parts of Europe.Roesdahl, pp. 9� ...

. Traditional genealogies report that from Triffyn descends, in the male-line, Cadifor ap Collwyn (aka Cedifor/Cadivor ap Gollwyn/Colhoyn), a ''Lord of Dyfed'' within

Rhys ap Tewdwr Rhys ap Tewdwr (c. 1040 – 1093) was a king of Deheubarth in Wales and member of the Dinefwr dynasty, a branch descended from Rhodri the Great. Following the Norman Conquest, he had to pay William the Conqueror to keep his kingdom, which lasted ...

Deheubarth Deheubarth (; , thus 'the South') was a regional name for the Welsh kingdoms, realms of south Wales, particularly as opposed to kingdom of Gwynedd, Gwynedd (Latin: ''Venedotia''). It is now used as a shorthand for the various realms united under ...

. When Cadifor died, his sons revolted against Rhys, which destabilised his kingdom, setting the scene for the Norman Conquest of South Wales; legends reported in the 16th century (e.g. by John Leland) claim that Cadifor had a brother - Einion ap Collwyn, who was instrumental in the Norman Conquest of

Glamorgan Glamorgan (), or sometimes Glamorganshire ( or ), was Historic counties of Wales, one of the thirteen counties of Wales that existed from 1536 until their abolishment in 1974. It is located in the South Wales, south of Wales. Originally an ea ...

.''The Itinerary of John Leland in or about the years 1536-1539'', Lucy Smith, Volume 3, page 38

References

810s deaths 8th-century Welsh monarchs Monarchs of Dyfed 9th-century Welsh monarchs Year of birth unknown {{wales-hist-stub