; ), is the traditional name of an area of

Glamorgan Glamorgan (), or sometimes Glamorganshire ( or ), was Historic counties of Wales, one of the thirteen counties of Wales that existed from 1536 until their abolishment in 1974. It is located in the South Wales, south of Wales. Originally an ea ...

Wales Wales ( ) is a Countries of the United Kingdom, country that is part of the United Kingdom. It is bordered by the Irish Sea to the north and west, England to the England–Wales border, east, the Bristol Channel to the south, and the Celtic ...

, which has long had a particular resonance in

Welsh culture The culture of Wales encompasses the Welsh language, customs, Traditional festival days of Wales, festivals, Music of Wales, music, Welsh art, art, Welsh cuisine, cuisine, Welsh mythology, mythology, History of Wales, history, and Politics of ...

. In

medieval In the history of Europe, the Middle Ages or medieval period lasted approximately from the 5th to the late 15th centuries, similarly to the post-classical period of World history (field), global history. It began with the fall of the West ...

times Tir Iarll was a cwmwd covering the present-day

parish A parish is a territorial entity in many Christianity, Christian denominations, constituting a division within a diocese. A parish is under the pastoral care and clerical jurisdiction of a priest#Christianity, priest, often termed a parish pries ...

es of Llangynwyd, Betws, Cynffig and

Margam Margam is a suburb and community (Wales), community of Port Talbot in the Wales, Welsh county borough of Neath Port Talbot, Wales, close to junction 39 of the M4 motorway. The community had a population of 3,017 in 2011; the built up area being l ...

. It long preserved traditional customs, notably the Mari Lwyd or Grey Mare. The late medieval Welsh poets Rhys Brydydd, his son Rhisiart ap Rhys and brother (or son)

Gwilym Tew Gwilym Tew (floruit, fl. 1460 – 1480) was a Welsh language, Welsh-language poet and manuscript copyist from Tir Iarll, Glamorgan. It is probable that his father was the poet Rhys Brydydd and that another poet of the same family, Rhisiart ap Rhy ...

all came from Tir Iarll.

References

Commotes History of Glamorgan Culture of Wales {{NeathPortTalbot-geo-stub