Einion ap Cunedda ( – 500;; – 480s), also known as Einion Yrth (
Welsh
Welsh may refer to:
Related to Wales
* Welsh, referring or related to Wales
* Welsh language, a Brittonic Celtic language spoken in Wales
* Welsh people
People
* Welsh (surname)
* Sometimes used as a synonym for the ancient Britons (Celtic peopl ...
for "the Impetuous"), was a king of
Gwynedd
Gwynedd (; ) is a county and preserved county (latter with differing boundaries; includes the Isle of Anglesey) in the north-west of Wales. It shares borders with Powys, Conwy County Borough, Denbighshire, Anglesey over the Menai Strait, and C ...
. He is claimed as an ancestor of the later rulers of North Wales.
One of the sons of Cunedda, he travelled with his father to north Wales in the early 450s to expel Irish raiders from the region. After his father's death, Einion inherited control over the newly founded kingdom of Gwynedd. Aided by his brother