Ieuan was born about 1467, the son of Dayfydd ap Trahaem Goch but his mother is unknown. The place is not known.
His wife is not known. They were married, but the date and place have not been found. Their only known child was Morvydd (c1492-?).
| Event | Date | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|
| Birth | ABT 1467 |
Note 1
!Source: HARRIS FAMILIES OF VIRGINIA https://harrisandrelatedfamiliesofvirginia.wordpress.com/2014/04/
8. Adda ab Iorwerth “Ddû, m. Isabel ferch Gruffudd “Fychan”, of Rhuddallt, Rhiwabon, Denbighshire, dau. of Gruffudd “Fychan” ap Gruffudd “Llwyd”, Baron of Glyndyfrdwy, son of Gruffudd “Llwyd” ap Madog “Fychan”, Steward of Oswestry under Richard FitzAlan, Earl of Arundel, 1347 [Bridgeman, History of the Princes of South Wales, pp. 250-252], November 23, 1298, and Elizabeth le Strange, of Knockin, Shropshire.”Sir John l’Estrange, Lord of Knockin, brought for his daughter Elizabeth, from Madoc ap Griffith, the marriage of the said Griffith, his son and heir, for which he paid £50 sterling” [Rot. Parl., vol. 1, p. 306]. John le Strange, 2nd. baron Strange of Knockin, was the father of Roger le Strange; he the father of Alianore le Strange, who m. Reginald de Grey, 2nd. baron Grey of Ruthin; Alianore’s cousin and namesake m. Edward Acton, whose granddau., Jacosa Acton, m. John Hill als Harris, son of Henry Hill als Harris and Sionett, dau. of Meredith ap Howell and Morvydd, dau. of Ieuan ap Dafydd ap Trahaem Goch [ancestor of the Wynns of Gwydir], of the royal line of South Wales.