Criccieth Castle a distant relation of Llywelyn ap Gruffudd, began an uprising against English rule that spread quickly through Wales. Several English-held towns were razed and Criccieth (along with Harlech Castle and Aberystwyth Castle) were besieged that winter. Its residents survived until spring when the castle was resupplied. In the 14th century the castle had a notable Welsh constable called Hywel ap Gruffydd, known as Howell the Axe, who fought for Edward III at the Battle of Poitiers in 1356. The castle was used as a prison until 1404 when Welsh forces captured the castle during the rebellion of Owain Glyndŵr. The
Owain Danwyn Owain Danwyn Owain Danwyn (fl. 440) was a prince of Rhos in Gwynedd, Wales, in the mid-5th century. He was the son of Einion Yrth and the father of Cynlas Goch, probably the Cuneglasus excoriated by Gildas. Very little is known of his life. Graham Phillips and Martin Keatman proposed a theory that he was the historical figure behind the legend of King Arthur, but this has gained little traction in scholarship. Owain Danwyn (Old Welsh Dantguin, also spelled Ddanwyn, Ddantgwyn, etc., meaning "White Tooth"), is known from several medieval genealogies of the kings of Rhos. Most of these concur