Qualla: Battle of Bryn Derwin https://qualla.com/battle-of-bryn-derwin en-us © 2026 Bendyline Wed, 08 Jul 2026 02:40:13 GMT Qualla serial false Qualla support@bendyline.com yes https://qualla.com/_m/g/c/k/v/battle-of-bryn-derwin-wp/hero-small.webp Qualla: Battle of Bryn Derwin https://qualla.com/battle-of-bryn-derwin Battle of Bryn Derwin: Introduction https://qualla.com/battle-of-bryn-derwin/ Photo credit Nilfanion, created using Ordnance Survey data, CC BY-SA 3.0. Three brothers met on a hillside in Eifionydd in June 1255, and within an hour two of them were prisoners and the third was on his way to becoming the most powerful Welshman who would ever live. The Battle of Bryn Derwin was small as medieval engagements go - probably a few hundred men on each side - but the consequences were enormous. It collapsed a fragile family settlement that had held Gwynedd together for nine years, and it put Llywelyn ap Gruffudd on the road that would end with his recognition as Prince of Wales by the Treaty of Montgomery twelve years later. Everything that followed - the wars with Edward I, the death at Cilmeri, the conquest of 1282 - began here.

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Image: Nilfanion, created using Ordnance Survey data | CC BY-SA 3.0

]]> Sun, 24 May 2026 00:00:00 GMT https://qualla.com/_m/g/c/k/v/battle-of-bryn-derwin-wp/gckv-battle-of-bryn-derwin-intro.mp3 0:06 1 full Battle of Bryn Derwin: A Truncated Kingdom https://qualla.com/battle-of-bryn-derwin/ Photo credit Eric Jones, CC BY-SA 2.0. Their uncle Dafydd ap Llywelyn had died in 1246 without an heir, leaving Gwynedd unstable and squeezed by Henry III's England. By the Treaty of Woodstock in 1247 the kingdom was carved in half: the Crown took everything east of the Conwy, and the part that remained was split betw...

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Image: Eric Jones | CC BY-SA 2.0

]]> Sun, 24 May 2026 00:00:00 GMT https://qualla.com/_m/g/c/k/v/battle-of-bryn-derwin-wp/gckv-battle-of-bryn-derwin-a-truncated-kingdom.mp3 0:06 2 full Battle of Bryn Derwin: The Brothers Quarrel https://qualla.com/battle-of-bryn-derwin/ Photo credit Eric Jones, CC BY-SA 2.0. By the early 1250s Dafydd was old enough to demand his own portion of land. Llywelyn refused. Owain Goch took Dafydd's side. The two younger brothers raised a force and marched against Llywelyn through the hills of the Llŷn. He met them at a pass called Bwlch Derwin, in the rolli...

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Image: Eric Jones | CC BY-SA 2.0

]]> Sun, 24 May 2026 00:00:00 GMT https://qualla.com/_m/g/c/k/v/battle-of-bryn-derwin-wp/gckv-battle-of-bryn-derwin-the-brothers-quarrel.mp3 0:06 3 full Battle of Bryn Derwin: Two Brothers, Two Fates https://qualla.com/battle-of-bryn-derwin/ Photo credit Eric Jones, CC BY-SA 2.0. What happened next reveals everything about Llywelyn's political mind. Dafydd, the younger brother who had started the quarrel, was released quickly and given a senior place in the government of Gwynedd. Llywelyn needed an heir-presumptive and a partner in command, and he chose t...

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Image: Eric Jones | CC BY-SA 2.0

]]> Sun, 24 May 2026 00:00:00 GMT https://qualla.com/_m/g/c/k/v/battle-of-bryn-derwin-wp/gckv-battle-of-bryn-derwin-two-brothers-two-fates.mp3 0:06 4 full Battle of Bryn Derwin: The Prince of Wales https://qualla.com/battle-of-bryn-derwin/ Photo credit Eric Jones, CC BY-SA 2.0. Within two years of Bryn Derwin, Llywelyn was on the march. The 1257 campaign brought back territory in Perfeddwlad. The 1260 push extended Welsh control into Builth and Brecon. By 1267 the Treaty of Montgomery formally recognised him as Prince of Wales, with the homage of every ...

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Image: Eric Jones | CC BY-SA 2.0

]]> Sun, 24 May 2026 00:00:00 GMT https://qualla.com/_m/g/c/k/v/battle-of-bryn-derwin-wp/gckv-battle-of-bryn-derwin-the-prince-of-wales.mp3 0:06 5 full Battle of Bryn Derwin: A Field Without a Marker https://qualla.com/battle-of-bryn-derwin/ Photo credit Eric Jones, CC BY-SA 2.0. There is no monument at Bwlch-derwin. The site sits in the gentle wooded country east of Clynnog Fawr, where the road climbs over a low pass on the way down to Garndolbenmaen. A passing motorist would never know that the last unified principality of native Wales was decided here....

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Image: Eric Jones | CC BY-SA 2.0

]]> Sun, 24 May 2026 00:00:00 GMT https://qualla.com/_m/g/c/k/v/battle-of-bryn-derwin-wp/gckv-battle-of-bryn-derwin-a-field-without-a-marker.mp3 0:06 6 full