Adda ab Iorwerth Ddu ab Ednyfed Gam

Rhingyll of Llangollen (1392)

Events

Date of Birth: unknown.

Bartrum’s generational dating scheme implies a date of, very approximately, 1330.

Place of Birth: unknown.

Date of Death: probably before 1419.

The date is given by Mostyn (p. 27).

Relationships

Father: Iorwerth Ddu ab Ednyfed Gam.

This relationship is given by Barrell and Davies (Table B). It is shown by Bartrum (Tudur Trefor 13). It is given by Mostyn (p. 27, citing Mostyn MS. pedigree, 1663, Dwnn, ii, 308, N.L.W. MS. 1654 B., fo. 311; Cae Cyriog MS., fo. 62, Harl. MS. 4181), by Dwnn (3:308), by Lloyd (4:145-146), by Carr (1979, p. 140), and by Davies (p. 210).

Mother: Angharad ferch Adda Gôch.

This relationship is shown by Bartrum (Tudur Trefor 13). It is given by Mostyn (p. 27), by Dwnn (3:308), and by Lloyd (4:145-146).

Spouse: Isabel ferch Gruffudd Fychan.

This relationship is given by Barrell and Davies (Table B "a sister of Owain Glyn Dwr"). It is shown by Bartrum (Tudur Trefor 13, Bleddyn ap Cynfyn 5). It is given by Mostyn (p. 27), by Dwnn (3:308), by Lloyd (4:146), by Carr (1975, p. 25), and by Davies (p. 210). Dwnn (2:327) gives Adda's wife’s name as Lowri, daughter of “Griffydd Vychan ap Griffydd o Ryddallt”.

Children:

(Complete source citations for facts about the children on this page are currently outside of the scope of this project. Thet information below comes from Bartrum and Mostyn.)

Ieuan ab Adda married Angharad ferch Ednyfed.

Rhys ab Adda.

Maredudd ab Adda.

A daughter.

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 13”, and “Bleddyn ap Cynfyn 5” in An Electronic Version of Welsh Genealogies AD 300-1500. [The sources Bartrum cites for Adda are: Peniarth 129 (61, 90, 102) -- a copy made about 1500 of a MS written about 1497 by Gutun Owain; Peniarth 137 (30, 122) -- a MS written in the early 1500s by ‘Syr’ Thomas ap Ieuan ap Deiews.]

Carr, Antony David. The Mostyn Family and Estate, 1200-1643 (PhD thesis, University of Wales, 1975).

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).

Davies, R.R. The Revolt of Owain Glyn Dŵr. (Oxford U.P., 1995).

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).

Oman, Sandra. “Adda ab Iorwerth “Ddû”” in Tree: Wales. Welsh Medieval Database Primarily of Nobility and Gentry.