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) and shown by Bartrum (Ednywain Bendew 5).
(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: Ednyfed Gam ab Iorwerth Foel.
This relationship is given by Barrell and Davies (Table B), shown by Bartrum (Tudur Trefor 13, Ednywain Bendew 5), and given by Mostyn (p. 23), by Dwnn (2:308, 2:317, 2:328), by Carr (2017, p. 156), and by Lloyd (1:316, 4:145).
Children:
(Complete source citations for facts about the children on this page are currently outside of the scope of this project.)
Iorwerth Ddu married Angharad ferch Adda Gôch.
Iorwerth Fawr. (He is mentioned by Mostyn and Dwnn, but not by Bartrum.)
Cynfrig. (He is mentioned by Mostyn and Dwnn, but not by Bartrum.)
Rhys married a daughter of Gronwy Llwyd ab Y Penwyn.
Maredudd had children. His wife’s name is unknown.
Llywelyn (died 1349) married Annes ferch Roger Puleston.
Dafydd married (1) Gwenhwyfar ferch Adda Gôch; married (2) Morfudd ferch Gruffudd Fychan.
Ieuan married Gwladus ferch Madog Fychan.
Gruffydd. (He is mentioned by Mostyn but not by Bartrum.)
Margred married Gwilym ap Madog Llwyd ap Llywelyn.
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 12”, “Tudur Trefor 13”, and “Ednywain Bendew 5” in An Electronic Version of Welsh Genealogies AD 300-1500. [The sources Bartrum cites for Ednyfed are: Peniarth 131 (184) -- a MS written about 1480 by Gutun Owain; Peniarth 129 (58, 67, 86) -- a copy made about 1500 of a MS written about 1497 by Gutun Owain; Peniarth 137 (25) -- a MS written in the early 1500s by ‘Syr’ Thomas ap Ieuan ap Deiews.]
Carr, A.D. “The Making of the Mostyns: the Genesis of a Landed Family” in Transactions of the Honourable Society of Cymmrodorion (1979), pp. 137-157.
Carr, A.D. The Gentry of North Wales in the Later Middle Ages. (University of Wales Press, 2017).
Dwnn, Lewys, and Samuel Rush Meyrick. “Moiston Hall”, in Heraldic visitations of Wales and part of the marches between the years 1586 and 1613 by Lewys Dwnn. (Llandovery: William Rees, 1846).
Lloyd, Jacob Youde William. The History of the Princes, the Lords Marcher and the Ancient Nobility of Powys Fodog and the Ancient Lords of Arwystli, Cedewen and Meirionydd. (London: T. Richards, 1881-1887).
Mostyn, the Right Hon. Lord, and T. A. Glenn. History of the Family of Mostyn of Mostyn (London: Harrison and Sons, Ltd., 1925).