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
Catrin ferch Owain Glyndŵr Library of Wales to celebrate Catrin's legacy, and a short poem was composed in her memory by Menna Elfyn. A play, "Catrin Glyndwr" by Heledd Bianchi, was premièred in 2004. Catrin ferch Owain Glyndŵr Catrin ferch Owain Glyndŵr (died 1413) was one of the daughters (probably the eldest) of Margaret Hanmer and Owain Glyndŵr, and her marriage to a claimant on the English throne was used by her father to gain support. Catrin is one of the children of Owain Glyndŵr about whom most is known. In November 1402, she married Edmund Mortimer, an unransomed hostage who entered into an