 Abt 0330 -
-
| Name |
mac ARTCHORP Eochaid |
| Birth |
Abt 0330 |
Ireland  |
| Gender |
Male |
| Death |
Kingdom of Demed, Britain |
| Notes |
- Eochaid Allmuir of the Déisi appears at the top of P. G. Bartrum's Chart on Dyfed with the legend "Came to Dyfed." [1]
Bartrum notes that Allmuir means "the foreigner". Eochaid was a member of the Irish tribe of the Déisi and is said to have migrated from the district of Waterford in Ireland and to have founded the line of kings of Dyfed. [2]
Eochaid Allmuir, son of Artchorp, is sometimes named first Déisi leader in Demetia (Dyfed, Wales) [3] The cognomen Allmuir means "over-sea". [3]
Contemporary scholars are cautious in asserting the historicity of the pedigrees. John Davies states that "the kingdom of Dyfed was of Irish origin" but primarily bases his conclusion on the existence in Dyfed of "twenty inscribed stones bearing letters in ogam, the script of the Irish...the ogam stones are an indication of considerable Irish colonization in Dyfed in the last decades of the Empire and in the immediate post-Roman period." [4]
Kari Maund notes that "the medieval kingdom of Dyfed had its origin in the Roman tribal area of the Demetae." She observes that Gildas wrote "of raids and incursions by the Irish in the late Roman and sub-Roman periods." [5] Maund goes on to quote the reference to Eochaid from The Expulsion of the Déisi but refers to it as "a medieval Irish prose tale."
Bartrum notes that the line between Eochaid and Tryffin differs in the Irish and Welsh versions. [2]
Line of Descent and Birth Year Estimation
Bartrum notes that "From the genealogy, an estimated date of birth for Eochaid would be about A.D.330." [2]
The following line of descent from Eochaid to Cathen, King of Dyfed and Brycheiniog, is presented by Bartrum [1] and includes persons included by Stewart Baldwin in his presentation of the ancestors of Llewelyn ap Iorwerth. [6] Estimated birth years with *asterisk are shown based on notations added to the Bartrum line of descent chart, or in the absence of such notations, at 30 year intervals.
The pedigree is also generally confirmed by Harlean Genealogy MS3859 [7] and by Jesus College MS 20 who does, however, add "Erbin" as son of Aircol Lavhir. [8]
Eochaid Allmuir mac Artchorp, born 330
Corath mac Eduid, born 370
Aed Brosc mac Corath father of Valerian ap Aled Brosc-1, born 400*
Tryffin Farfet ab Aed Bosc, born 430*
Agricola, or Aergul Lawhir ap Tryffin, born 460* (Baldwin, Generation 25, #25763840). [6]
Gwerthefyr (Votaporix) ab Aergul Lawhir, born 480*, (Baldwin, Generation 24, #12881820) [6]
Cyngar ap Gwerthefyr, born 510* (Baldwin, Generation 23, #6440960) [6]
Pedr ap Cyngar, born 535* (Baldwin, Generation 22, #3220480) [6]
Arthur ap Pedr, born 560* (Baldwin, Generation 21, #1610240) [6]
Nowy ab Arthur, born 580* (Baldwin, Generation 20, #805120) [6]
Gwiyddien ap Nowy, born 600, (married Geindrech ferch Rhiwallon)(Baldwin, Generation 19, #402560) [6]
Cathen ap Gwlydden, born 625, King of Dyfed and Brycheiniog (Baldwin, Generation 18, #201280) [6]
Appearance in Literature
Eochaid Allmuiir mac Art Corp appears in The Expulsion of the Déisi, a famous medieval Irish epic tale first written in the eighth century. [9] This pseudo-historical foundation legend creates a fictional royal ancestry at Tara from which the Déisi are expelled. [10] In this legend, Eochaid leads one branch of the sept across to Britain, where his descendants rule in Demed, the former territory of the Demetae (modern Dyfed). The Expulsion of the Déisi is the only direct source for this "event".
A pedigree preserved in the late tenth-century Harleian genealogies suggests a possible verification of the Expulsion account: "contemporary kings of Dyfed claim descent from Triphun (fl. 450), a great-grandson of Eochaid Allmuir. But the Harleian genealogy itself presents an entirely different version of Triphun's own ancestry in which he descends from a Roman imperial line traced back to St. Helena, whose alleged British origin the genealogist stresses." [11]
Numerous authors have observed that "This manifest fiction apparently reflects a later attempt to fabricate a more illustrious and/or indigenous lineage for the Dyfed dynasty, especially as other Welsh genealogical material partially confirms the Irish descent of Triphun. [12]
Sources
↑ 1.0 1.1 Peter C. Bartrum. Welsh Genealogies AD 300-1400. University of Wales Press, 1974. 8 volumes. Dyfed Descent from Eochaid Allmuir page 20 (List VII) Hosted by Geni. Accessed 3 July 2024 jhd
↑ 2.0 2.1 2.2 Peter C. Bartrum. A Welsh Classical Dictionary: People in History and Legend up to about A. D.1000. National Library of Wales, 1993. Section D-E-F Accessed 4 July 2024 jhd
↑ 3.0 3.1 Peter Kessler. History Files Celtic Kingdoms of the British Isles : Celts of Cymru Based on Information by
Edward Dawson, from The Landscape of King Arthur,
Geoffrey Ashe, from The Four Branches of the Mabinogi,
Will Parker, from Welsh Genealogies AD 300-1400,
Peter Bartrum, from A History of Wales,
John Davies, 1994, from Wales and the Britons, 350-1064,
T M Charles-Edwards (Oxford University Press, 2013), from History of the Kings of Britain,
Geoffrey of Monmouth, from A History of the English Church and People,
The Venerable Bede (Leo Sherley-Price translation - revised by R E Latham), from The Oxford History of England: Roman Britain,
Peter Salway, from Atlas of British History,
G S P Freeman-Grenville (Rex Collins, London, 1979), from Etymological Glossary of Old Welsh,
Alexander Falileyev, and from External Link: Ancient Welsh Studies.) Note: because the sources of individual facts and statements are not identified, the "History Files" is not considerd a reliable source.
Accessed 3 July 2024 jhd
↑ John Davies. A History of Wales Penguin, Revised, 2007. First published in Welsh 1990, in English 1993. p 50
↑ Kari Maund. The Welsh Kings: Warriors, Warlords and Princes. Stroud, Gloucester: The History Press, 2011. pp. 26-27
↑ 6.0 6.1 6.2 6.3 6.4 6.5 6.6 6.7 6.8 Stewart Baldwin. Ancestry of Llewelyn ap Iorwerth. Accessed 1/16/2019 jhd
↑ Harley MS 3859 states at [2]: "... ouein map marget iut map Teudos map Regin map Catgocaun map Cathen map Cloten map Nougoy map Arthur map Petr map Cincar map Guo?tepir map Aircol ...." See Egerton Phillimore's transcipt, p. 171
↑ Jesus College MS 20 at [12} says "... Maredud m. teudos o gantref teudos. Teudos m. Gvgavn m. Cathen m. Eleothen m. Nennue m. Arthur m. Peder. Arthur m. Peder m. Kyngar m. Gvrdeber m. Erbin m. Aircol lavhir." See Egerton Phillimore's transcript p. 86.
↑ Kuno Meyer (ed), (1901) "The Expulsion of the Dessi". Y Cymmrodor. 14: 101–135. Cited in Wikipedia: Déisi. Accessed 2 July 2024 jhd
↑ Tomás Ó Cathasaigh (1984) "The Déisi and Dyfed". Éigse. 20: 1–33. Cited in Wikipedia: Déisi. Accessed 2 July 2024 jhd
↑ Harleian genealogy 2. Cited in Wikipedia: Déisi. Accessed 2 July 2024 jhd
↑
Bartrum, Peter Clement (1966). Early Welsh Genealogical Tracts. Cardiff, pp 45,106;
Dumville, David Norman (1977). "Sub-Roman Britain: History and Legend". History. 62 (205): 173–92. doi:10.1111/j.1468-229X.1977.tb02335.x; .pp. 172-93; *Miller, Molly (1977–1978). "Date-Guessing and Dyfed". Studia Celtica. 12/13: 37-40;
Coplestone-Crow, Bruce (1981–1982). "The Dual Nature of Irish Colonization of Dyfed in the Dark Ages". Studia Celtica. 16/17: 17-18;
Ó Cathasaigh, Tomás (1984). "The Déisi and Dyfed". Éigse. 20: 19-22;
Rance, Philip (2001). "Attacotti, Déisi and Magnus Maximus: the Case for Irish Federates in Late Roman Britain". Britannia. 32: 243–270. doi:10.2307/526958. JSTOR 526958. S2CID 162836712; pp. 252-3, 263-6.
Cited in Wikipedia: Déisi. Accessed 2 July 2024 jhd
See also:
Welsh Genealogies, AD 300-1400 (1980), Bartrum, Peter C. (Peter Clement), (25 volumes, with supplements containing additions and corrections. [Wales]: University of Wales Press, 1980), FHL book 942.9 D2bp; FHL microfiche 6025561., vol. 1 p. 20*.
Welsh Classical Dictionary, Peter C. Bartrum, (National Library of Wales, c.1993), FHL 942.9 D3ba., p. 252*.
EWGT (Early Welsh Genealogical Tables) - The Expulsion of the Déisi (MFU #4567), Peter C. Bartrum, (Cardiff. University of Wales Press. 1966), FHL FHL 942.9 D2ba., p. 4.
WG (Wales Genealogy) 300-1400 - 7th List, Bartrum, Peter C., (Aberystwyth. Lyfrgell Genedlaethold Cymru / The National Library of Wales. 2002.), FHL 942.9 D2bp supp. 7., appendix table 20.
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| Person ID |
I59340 |
Freeman-Smith |
| Last Modified |
27 Jan 2026 |
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