Events
Date of Birth: unknown.
Place of Birth: unknown.
Date of Death: unknown.
Place of Death: unknown.
Relationships
Father: Llywelyn ap Madog ab Einion.
This relationship is given by Barrell and Davies (Table B).
(possible) Mother: Gwenhwyfar ferch Gruffudd ab Iorwerth.
Bartrum (Ednywain Bendew 5, Hwfa 5) shows Gwenwhyfar as the wife of Llywelyn, although he mistakenly had Llwelyn as the son of Madog ab Einion ap Rhirid. Barrell and Davies (p. 34) cast doubts on the reliability of the marriage-links attributed to the family of Llywelyn ap Madog.
Spouse: Llywelyn ab Ieuaf ab Adda.
This relationship is given by Barrell and Davies (Table B) and shown by Bartrum (Tudur Trefor 3; Ednywain Bendew 5). The marriage is also given by Carr (p. 156).
Children:
(Complete source citations for facts about the children on this page are currently outside of the scope of this project.)
A daughter married Madog ab Elise.
Margred married Madog Llwyd.
John Trefor (died 1357), bishop of St Asaph.
Llywelyn (died 1349) married Margred ferch Gruffudd ap Madog.
(and possibly):
Adda.
Gwladus married Llywelyn Fychan.
Dafydd.
References
Barrell, A.D.M. and Davies, R.R. “Land, lineage and revolt in north-east Wales, 1243-1441: a case study”, Cambrian Medieval Celtic Studies, 29 (1995) pp. 27-52. [Genealogical Tables A and B in this article have been constructed from the court rolls of Dyffryn Clwyd. The authors state that the relationships within the tables can be accepted with confidence.]
Bartrum, Peter C.,”Tudur Trefor 3”, “Hwfa 5”, and “Ednywain Bendew 5” in An Electronic Version of Welsh Genealogies AD 300-1500.
Carr, A.D. The Gentry of North Wales in the Later Middle Ages. (University of Wales Press, 2017).