Events
Date of Birth: unknown.
Place of Birth: unknown.
Living: 1330.
The date is given by Lloyd (4:109).
Date of Death: unknown.
Place of Death: unknown.
Relationships
Father: Ieuaf ab Adda ab Awr.
This relationship is shown by Bartrum (Tudur Trefor 3).
Mother: uncertain.
Bartrum (Tudur Trefor 3) doesn’t specify which of Ieauf’s wives was Llywelyn’s mother.
Spouse: Susanna ferch Llywelyn.
This relationship is given by Barrell and Davies (Table B) and shown by Bartrum (Tudur Trefor 3; Ednywain Bendew 5). He seems to have revised his views on the relationships within her family. The marriage his also given by Carr (p. 156).
Children (by Susanna):
(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.)
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.
Children (mother uncertain):
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 table can be accepted with confidence.]
Bartrum, Peter C., “Tudur Trefor 12” in An Electronic Version of Welsh Genealogies AD 300-1500.
[The sources Bartrum cites for Margred are: Peniarth 131 (185), written by Gutun Owain about 1480; Peniarth 131 (45), written early in the reign of Henry VIII; Peniarth 129 (56), copied about 1500 from a 1497 MS by Gutun Owain; Peniarth 127 (24, 33), written by Syr Thomas ap Ieuan ap Deicws between about 1510 and 1523.]
Carr, A.D. The Gentry of North Wales in the Later Middle Ages. (University of Wales Press, 2017).
Lloyd, Jacob Youde William. The History of the Princes, the Lords Marcher and the Ancient Nobility of Powys Fadog and the Ancient Lords of Arwystli, Cedewen and Meirionydd. (London: T. Richards, 1881-1887).