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Post-Roman Welsh kingdoms. Ergyng is in the southeast (lower right). The modern Anglo-Welsh border is also shown.

Ergyng (or Erging) was a Welsh kingdom of the sub-Roman and early medieval period, between the 5th and 7th centuries. It was later referred to by the English as Archenfield.


The kingdom lay mostly in what is now western Herefordshire (now in England), its heartland between the River Monnow and River Wye. However, it also spread into modern Monmouthshire and east of the Wye, where sits the old Roman town of Ariconium (Welsh: Ergyng) at Weston under Penyard from which its name may derive; it may have been the first capital. Some maps[1] show Ergyng extending across what is now the Forest of Dean to the River Severn.


After the withdrawal of the Roman legions from Britain in 410 AD, new smaller political entities took the place of the centralised structure. The area was originally part of the Kingdom of Glywysing (modern Glamorgan) and Gwent, but seems to have become independent for a period under Gwrfoddw Hen in the late 5th century,[2] and again under King Peibio Clafrog in the mid-6th century. Peibio was the grandfather of Saint Dubricius or Dyfrig, the first Bishop of Ergyng and an important figure in the establishment of Christianity in South Wales. He founded large teaching monasteries at Llanfrother near Hoarwithy and at Moccas, and a bishopric seems to have been based at St Constantine's Church at Goodrich.[3]

Dubricius' cousin, Gwrgan Fawr (the Great) was one of its most important monarchs and may have obtained sway over Glamorgan as far as the River Neath. In the middle of the 7th century, Onbraust of Ergyng married Meurig of Gwent, and their son Athrwys became king of both kingdoms. Ergyng eventually became a mere cantref, the Welsh equivalent of a hundred.[3]

Later history[edit]

See also: Archenfield

By the 8th century, the expanding power of Mercia led to conflict with the native British, and by the 9th century the Mercians had gained control over the area and nearby Hereford. The sites of old British churches fell to Mercia, and the British became foreigners – or, in the English language, "Welsh" – in what had been their own land.[4] The rump of Ergyng then became known to the English as Arcenefelde or Archenfield. Although its Welsh-speaking inhabitants retained special rights, the area was unequivocally incorporated into the English county of Hereford in the Laws in Wales Acts of 1535 and 1542.

Archenfield was still Welsh enough in the time of Elizabeth for the bishop of Hereford to be made responsible together with the four Welsh bishops for the translation of the Bible and the Book of Common Prayer into Welsh. Welsh was still commonly spoken here in the first half of the nineteenth century, and we are told that churchwardens’ notices were put up in both Welsh and English until about 1860.[5]

Welsh was spoken by individuals until comparatively recently.[clarification needed]


  1. ^ Map of Later Cymru (Wales)
  2. ^ Ergyng at The History Files
  3. ^ a b – Herefordshire History Archived January 17, 2008, at the Wayback Machine.
  4. ^ Archenfield Archaeology – Who we are Archived March 13, 2008, at the Wayback Machine.
  5. ^ Transactions Woolhope Naturalists’ Field Club, 1887, page 173

Further reading[edit]

  • Wendy Davies. (1979). The Llandaff Charters.
  • Wendy Davies (1982). Wales in the Early Middle Ages.
  • G. H. Doble. (1971). Lives of the Welsh Saints.
  • John Morris. (1973). The Age of Arthur.
  • Raymond Perry. (2002). Anglo-Saxon Herefordshire.
  • A. L. F. Rivet & Colin Smith (1979). The Place-Names of Roman Britain.