Events
Date of Birth: unknown.
Place of Birth: unknown.
Bartrum (Trahaearn ap Caradog 1) gives Gwenllian a number of 5 in his generational dating system, implying a birth date of, very roughly, about 1170.
Date of Death: unknown.
Place of Death: unknown.
Relationships
Father: Hywel ab Ieuaf ab Owain.
This relationship is shown by Bartrum (Trahaearn ap Caradog 1).
Mother: unknown.
Spouse: Iorwerth ap Llywarch ap Brȃn.
This relationship is shown by Bartrum (Trahaearn ap Caradog 1; Llywarch ap Brȃn 2).
Children:
(Complete source citations for facts about the children on this page are currently outside of the scope of this project. Most information below comes from Bartrum.)
Adda of Bryncelli.
Rhys.
Cadwgon.
Maredudd married Angharad ferch Hywel.
References
Bartrum, Peter C., “Trahaearn ap Caradog 1” in An Electronic Version of Welsh Genealogies AD 300-1500.
[The source that Bartrum cites for Gwenllian is his own Early Welsh Genealogical Tracts.]
Bartrum, Peter C (ed.) Early Welsh Genealogical Tracts. (Cardiff: University of Wales Press, 1968).
The source that Bartrum gives for Gwenllian is:
Hen Lwythau Gwynedd a’r Mars.
4e. “Gwraig Iorwerth ap Llowarch oedd Wenlliant ferch Howel ap Ieuaf ap Ewein ap Trahayarn ap Karadawg ap Gwynn ap Gollwyn.”
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):
50.3 Gwraig Iorwerth ap Llowarch oed Wenlliant ferch Howel ap Ieuaf ap Ewein ap Trahayarn ap Karadawg ap Gwynn ap Gollwyn.