Gruffudd Fychan I, Prince of

Powys Fadog Powys Fadog (English: ''Lower Powys'' or ''Madog's Powys'') was the northern portion of the former princely realm of Powys, which split in two following the death of Madog ap Maredudd in 1160. The realm was divided under Welsh law, with Madog's ...

from 1277 to 1284, was the youngest of the four sons of Prince Gruffudd ap Madog, Lord of

Dinas Bran Dinas may refer to: Places England * Dinas, an area of Padstow, Cornwall * Castle an Dinas, St Columb Major, an Iron Age hillfort at the summit of Castle Downs, Cornwall * Treryn Dinas, a headland near Treen, on the Penwith peninsula, Cornwa ...

. On his father's death in 1269 (or 1270) his share was the Lordship of Iâl (Yale) and

Edeirnion Edeirnion or Edeyrnion is an area of the county of Denbighshire and an ancient commote of medieval Wales in the cantref of Penllyn. According to tradition, it was named after its eponymous founder Edern or Edeyrn. It was included as a Welsh t ...

, which included Glyn Dyfrdwy. He was aligned to

Llywelyn ap Gruffudd Llywelyn ap Gruffudd (c. 1223 – 11 December 1282), sometimes written as Llywelyn ap Gruffydd, also known as Llywelyn the Last ( cy, Llywelyn Ein Llyw Olaf, lit=Llywelyn, Our Last Leader), was the native Prince of Wales ( la, Princeps Wall ...

Prince of Wales Prince of Wales ( cy, Tywysog Cymru, ; la, Princeps Cambriae/Walliae) is a title traditionally given to the heir apparent to the English and later British throne. Prior to the conquest by Edward I in the 13th century, it was used by the rulers ...

, in the war of 1277. In the peace treaty, it was agreed that he would not do homage to Llywelyn for Edeirnion, but to

Edward I of England Edward I (17/18 June 1239 – 7 July 1307), also known as Edward Longshanks and the Hammer of the Scots, was King of England and Lord of Ireland from 1272 to 1307. Concurrently, he ruled the duchies of Aquitaine and Gascony as a vassa ...

for

Iâl Ial or Yale ( cy, Iâl) was a commote of medieval Wales within the cantref of Maelor in the Kingdom of Powys. When the Kingdom was divided in 1160, Maelor became part of the Princely realm of Powys Fadog (Lower Powys or Madog's Powys), and belon ...

. He again fought alongside Llywelyn during the war of 1282–1283, and lost his lands with his defeat. Nevertheless, the

Earl of Surrey Earl of Surrey is a title in the Peerage of England that has been created five times. It was first created for William de Warenne, 1st Earl of Surrey, William de Warenne, a close Companions of William the Conqueror, companion of William the Con ...

persuaded the king to allow him possession of his lands, which he held from the king as a tenant at will for the rest of his life. He died in 1289 leaving a young son,

Madog Crypl Madog Crypl (or Madog Crippil), also known as Madog ap Gruffydd Fychan (c. 1275–1304/6) was a descendant of the sovereign Princes of Powys Fadog and Lords of Dinas Bran. He is sometimes described as Madog III of Powys Fadog. However, he was on ...

Owain Glyndŵr Owain ap Gruffydd (), commonly known as Owain Glyndŵr or Glyn Dŵr (, anglicised as Owen Glendower), was a Welsh leader, soldier and military commander who led a 15 year long Welsh War of Independence with the aim of ending English rule in Wa ...

, the last native Prince of Wales, was his great-grandson, the grandson of Madog Crypl.

References

* J. E. Lloyd, ''Owen Glendower: Owen Glyn Dŵr'' (Clarendon Press, Oxford, 1931), 9-11. 1289 deaths Monarchs of Powys 13th-century Welsh monarchs Year of birth unknown {{Wales-bio-stub