Gwilym ap Tudur Rhys and Owain Glyndŵr. As a result, the Tudur brothers began planning an attack on Conway Castle. On Good Friday, 1 April 1401, the brothers and 44 men (which included those who had also been excluded from the pardons) infiltrated the castle. They had pretended to be carpenters, and captured the castle while the guard were in church. Negotiations began for the return of the castle on 13 April, with the king represented by Henry "Hotspur" Percy and Gwilym representing the Welsh forces. After seeking a compromise, which would have resulted in pardons being given to the Welshmen, the king
Glyndŵr Rising evidence to suggest, in the poetry of the Welsh Bard Llawdden for example, that a few diehards continued to fight on even after 1421 under the leadership of Owain's son-in-law Phylib ap Rhys. The "Annals of Owain Glyndwr" (Panton MS. 22) finish in the year 1422. The last entry regarding the prince reads: By 1415, full English rule was returned to Wales. The leading rebels were dead, imprisoned, or impoverished through massive fines. Scarcely a parish or family in Wales, English "or" Welsh, had not been affected in some way. The cost in loss of life, physical destruction, and ruined