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Edward Williams, better known by his bardic name Iolo Morganwg ([ˈjɔlɔ mɔrˈɡanʊɡ]; 10 March 1747 – 18 December 1826), was an influential Welsh antiquarian, poet, collector, and literary forger.[1][2] He had been widely considered a leading collector of Medieval Welsh literature and an expert on it, but after his death it emerged that he had forged a number of manuscripts, notably parts of the Third Series of Welsh Triads.[3] Nonetheless, he had a lasting impact on Welsh culture, notably in founding the Gorsedd. The philosophy he developed in his forgeries had a huge impact on the early neo-druid movement. His bardic name is Welsh for "Iolo of Glamorgan".[4]

Iolo Morganwg
Drawing of Iolo Morganwg (c. 1800) by an unknown artist in the National Library of Wales
Drawing of Iolo Morganwg (c. 1800) by an unknown artist in the National Library of Wales
BornEdward Williams
10 March 1747
Pen-onn, Glamorgan, Wales
Died18 December 1826(1826-12-18) (aged 79)
OccupationStonemason, poet and literary forger

Early lifeEdit

Edward Williams was born at Pennon, near Llancarfan in Glamorgan, Wales, and raised in the village of Flemingston (or Flimston; Trefflemin in Welsh). He followed his father as a stonemason. In Glamorgan he took an interest in manuscript collection, and learnt to compose Welsh poetry from poets such as Lewis Hopkin, Rhys Morgan, and especially Siôn Bradford.[2] In 1773 he moved to London, where the antiquary Owen Jones introduced him to the city's Welsh literary community, and where he became a member of the Gwyneddigion Society: he would later also be active in the Cymreigyddion Society. In 1777 he returned to Wales, where he married and tried farming, but without success. During this time he produced his first forgeries.

Williams's son, Taliesin (bardic name, Taliesin ab Iolo), whom he had named after the early medieval bard Taliesin, later went on to collect his manuscripts in 26 volumes,[5] a selection being published as the Iolo Manuscripts by the Welsh Manuscripts Society in 1848.[6]

Literary careerEdit

From an early date Williams was concerned with preserving and maintaining the literary and cultural traditions of Wales. He produced a large number of manuscripts as evidence for his claims that ancient Druidic tradition had survived the Roman conquest, the conversion of the populace to Christianity, the persecution of bards under King Edward I, and other adversities. His forgeries develop an elaborate mystical philosophy, which he claimed as a direct continuation of ancient Druidic practice. Williams's reportedly heavy use of laudanum may have been a contributing factor.[2]

Williams first came to public notice in 1789 for Barddoniaeth Dafydd ab Gwilym, a collection of the poetry of the 14th-century Dafydd ap Gwilym. Included were a large number of hitherto unknown poems by Dafydd that he claimed to have found; these are regarded as Williams's first forgeries.[2] His success led him to return to London in 1791, where he founded the Gorsedd, a community of Welsh bards, at a ceremony on 21 June 1792 at Primrose Hill. He organised the occasion according to what he claimed were ancient Druidic rites. In 1794 he published some of his own poetry, which was later collected in a two-volume Poems, Lyric and Pastoral. Essentially his only genuine work, it proved quite popular.[2]

Williams worked with Owen Jones and William Owen Pughe on The Myvyrian Archaiology of Wales, a three-volume collection of medieval Welsh literature published in 1801–1807.[3] This relied partly on manuscripts in Williams's collection, some his forgeries. The forged material included a false Brut chronicle and a book attributed to Saint Cadoc. The second volume, which collected the Welsh Triads, contained an additional "third series" of forged triads, as well as Williams's alterations to the authentic ones.[2]

After Williams's death some of his collection was compiled into The Iolo Manuscripts by his son, Taliesin Williams.[2] His papers were used by many later scholars and translators, and for reference by Lady Charlotte Guest as she translated the prose collection Mabinogion. She did not, however, rely on William's editions of the tales themselves, except for Hanes Taliesin.[2] Later still, further Williams forgeries were published in a text known as Barddas.[7] This work, published in two volumes in 1862 and 1874, was claimed to be a translation of works by Llywelyn Siôn, detailing the history of the Welsh bardic system from its ancient origins to the present day. Though it contains nothing of authentic Druidic lore, it is the fullest account of the mystical cosmology Williams developed.[7] Other works by Williams include the "Druid's Prayer", still used by the Gorsedd and by neo-Druid groups, a treatise on Welsh metrics called Cyfrinach Beirdd Ynys Prydain ("The Mystery of the Bards of the Isle of Britain"), published posthumously in 1828, and a hymn series published as Salmau yr Eglwys yn yr Anialwch ("Psalms of the church in the wilderness") in 1812.


Iolo's philosophy represented a fusion of Christian and Arthurian influences, a romanticism comparable to that of William Blake and the Scottish poet and forger James MacPherson, the revived antiquarian enthusiasm for all things "Celtic", and such elements of bardic heritage as had genuinely survived among Welsh-language poets. Part of his aim was to assert the Welshness of South Wales, particularly his home region of Glamorgan, against the prevalent idea that North Wales represented the purest survival of Welsh traditions. The metaphysics elucidated in his forgeries and other works proposed a theory of concentric "rings of existence", proceeding outward from Annwn (the Otherworld) through Abred and Ceugant to Gwynfyd (purity or Heaven).

Outside his shop in Cowbridge was a sign saying his sugar was from plantations that employed no slaves. He also refused a legacy from his brothers, whose plantations in Jamaica used slave labour.[8]

By 1799 he had become a Unitarian and a leading spirit when a Unitarian Association was formed in South Wales in 1802. It was he who drew up its Rheolau a Threfniadau (Rules and Procedures) published in 1803.[1]

Bardic alphabetEdit

Bardic Alphabet

Iolo Morganwg developed his own runic system, in Welsh Coelbren y Beirdd ("the Bardic Alphabet"). It was said to be the alphabetic system of the ancient druids. It consisted of 20 main letters, and 20 others "to represent elongated vowels and mutations."[9] These symbols were to be represented in a wooden frame, known as peithynen.


Towards the end of the 19th century, the grammarian Sir John Morris-Jones was involved in exposing Iolo as a forger, which led to him being labelled a charlatan.[10] Morris-Jones called Iolo "hateful" and said it would be an age "before our history and literature are clean of the traces of his dirty fingers."[11]

After the First World War, the scholar Griffith John Williams [cy] (1892-1963) was the first to make a full study of Iolo's work, consulting original documents donated to the National Library of Wales by Iolo's descendants in 1917.[12] Williams aimed to find out exactly how much of Iolo's output was based on imagination rather than fact. He established that the poems Iolo attributed to Dafydd ap Gwilym were forgeries. His researches led him to become a defender of Iolo's reputation as well as a critic.[13]


Such was the extent of his forgery that, even into the 21st century, some of his tampered versions of medieval Welsh texts are better known than the original versions.[14]

A Welsh-language school in Cowbridge, Ysgol Iolo Morganwg, is named after him, and Super Furry Animals vocalist Gruff Rhys dedicated a song to him on his 2014 album, American Interior.

See alsoEdit


  1. ^ a b "The National Library of Wales: Dictionary of Welsh Biography".
  2. ^ a b c d e f g h Jones, Mary (2004). "Edward Williams/Iolo Morganwg/Iolo Morgannwg". From Jones' Celtic Encyclopedia. Retrieved 11 June 2009 (only USA, see: WayBackMachine).
  3. ^ a b Jones, Mary (2003). "Y Myvyrian Archaiology". From Jones' Celtic Encyclopedia. Retrieved 11 June 2009 (only USA, see: WayBackMachine).
  4. ^ The county name is spelt "Morgannwg" in modern Welsh. Iolo is a diminutive of "Iorwerth", a Welsh name often seen as equivalent to Edward, although neither name is a translation of the other.
  5. ^ Elijah Waring (1850). Recollections and anecdotes of Edward Williams the bard of Glamorgan; or, Iolo Morganwg. Charles Gilpin. pp. 4–. Retrieved 15 October 2012.
  6. ^ Iolo Morganwg; Owen Jones; Society for the Publication of Ancient Welsh Manuscripts, Abergavenny (1848). Iolo manuscripts: A selection of ancient Welsh manuscripts, in prose and verse, from the collection made by the late Edward Williams, Iolo Morganwg, for the purpose of forming a continuation of the Myfyrian archaeology; and subsequently proposed as materials for a new history of Wales. W. Rees; sold by Longman and Co., London. p. 1 ff. Retrieved 15 October 2012.
  7. ^ a b Jones, Mary (2004). "Barddas". From Jones' Celtic Encyclopedia. Retrieved 11 June 2009. (For the United States, see WayBackMachine).
  8. ^ "Support for bardic founder plaque".
  9. ^ "Archived copy". Archived from the original on 17 November 2010. Retrieved 26 February 2011.CS1 maint: archived copy as title (link)
  10. ^ Ffion Mair Jones (1 July 2010). The Bard is a Very Singular Character': Iolo Morganwg, Marginalia and Print Culture. University of Wales Press. pp. 8–. ISBN 978-0-7083-2296-3.
  11. ^ Editing the Nation's Memory: Textual Scholarship and Nation-Building in Nineteenth-Century Europe. BRILL. 1 January 2008. pp. 111–. ISBN 978-94-012-0647-1.
  12. ^ Aneirin Lewis. "WILLIAMS, GRIFFITH JOHN (1892–1963), University professor and Welsh scholar". Dictionary of Welsh Biography. Retrieved 20 December 2018.
  13. ^ Marion Löffler (2007). The Literary and Historical Legacy of Iolo Morganwg, 1826–1926. University of Wales Press. ISBN 978-0-7083-2113-3.
  14. ^ Bromwich, Rachel. Trioedd Ynys Prydein. University of Wales Press, 2006, p. 213.

Further readingEdit

  • Jenkins, Geraint, ed. (2005). A Rattleskull Genius: the Many Faces of Iolo Morganwg. Cardiff: University of Wales Press
  • Löffler, Marion (2007). The Literary and Historical Legacy of Iolo Morganwg 1826–1926. Cardiff: Univ. of Wales Press. ISBN 978-0-7083-2113-3.
  • Morgan, Prys (1975). Iolo Morganwg, (Writers of Wales). Cardiff: University of Wales Press
  • Williams, Edward (1848) [c. 1810]. Williams (ab Iolo), Taliesin (ed.). Iolo Manuscripts. Llandovery: William Rees.
  • Williams, G. J. (1956). Iolo Morganwg. Y Gyfrol Gyntaf, Cardiff: University of Wales Press
  • Williams, G. J. (1926). Iolo Morganwg a Chywyddau'r Ychwanegiad. Cardiff: University of Wales Press

External linksEdit