Events
Date of Birth: unknown.
Date of Death: unknown.
Relationships
Father: Llywarch ap Trahaearn ap Caradog.
This relationship is shown by Bartrum (EVWG Trahaearn ap Caradog 6) and given by Pryce (ODNB).
Mother: uncertain.
Bartrum (EVWG Trahaearn ap Caradog 6) shows Dyddgu ferch Iorwerth ap Cadwgon ab Elystan Glodrudd, but Baldwin (LaI) regards this as dubious.
Spouse: Owain Gwynedd ap Gruffudd ap Cynan (died 1170).
This relationship is shown by Bartrum (EVWG Trahaearn ap Caradog 6) and given by Pryce (ODNB).
Children:
(Complete source citations for facts about the children on this page are currently outside of the scope of this project.)
Maelgwn.
Iorwerth Drwyndwn (died about 1174) married Marared ferch Madog ap Maredudd.
Gwenllian married Owain Cyfeiliog.
References
Baldwin, Stewart. Llywelyn ap Iorwerth ancestor table. (Hosted at Rootsweb.ancestry.com. Accessed 18 May 2014).
Bartrum, Peter C (ed.) Early Welsh Genealogical Tracts. (Cardiff: University of Wales Press, 1968).
The source Bartrum gives for Gwladus is:
Achau Brenhinoedd a Thywysogion Cymru,
2. Plant Ywein Gwynedd
(a) “Ioruerth a Maelgwn a Gwenlliant, mam Wenwynwyn ap Owain Kyveiliawg, plant Owain Gwynedd. Ai Mam oedd Wladus verch Lywarch ap Tryhaearn ap Kyradawc ap Gwyn ap Gollwyn ap Ydnywain ap Bleddynt…”
Bartrum, Peter C., “Gruffudd ap Cynan 1” and “Gruffudd ap Cynan 3” in An Electronic Version of Welsh Genealogies AD 300-1500. [The source Bartrum cites for Gwladus is his own Early Welsh Genealogical Tracts.]
Guy, Ben. Medieval Welsh Genealogy. (The Boydell Press, 2020).
From Guy’s critical edition of the Llywelyn ab Iorwerth genealogies, which were based on an archetype created no later than the first half of the fourteenth century from an original compilation dating to the early thirteenth century, partly based on earlier written sources (Note that Guy is striving for textual rather than genealogical accuracy):
12. Plant Ywain Gwyned:
12.1 Iorwerth a Maelgwn a Gwenlliant mam Wenwynwyn ap Ywain Kyfeiliawg, plant Ywain Gwyned, a Gwladus oed eu mam, ferch Llewarch ap Trehayarn ap Karadawg ap Gwynn ap Gollwyn ap Ednywain ap Bledynt ap Bledrus ap Kynawg Mawr ap Iorwerth Hirvlawt ap Tegonwy ap Teon
Pryce, Huw. “Owain Gwynedd (d. 1170)”, in the Oxford Dictionary of National Biography. (Oxford University Press, 2004).