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
Gruffudd ab Owain Glyndŵr Gruffudd, and another rebel Captain Rhys Gethin. They were defeated by Prince Henry of Monmouth, later to become King Henry V or possibly John Talbot, 1st Earl of Shrewsbury. The exact place and date of this battle is subject to dispute, but the Annals of Owain Glyndwr call it the Battle of Pwll Melyn, near Usk. The result appears to have been a major Welsh defeat, the capture of Gruffudd ab Owain Glyndŵr, and the deaths of Tudur and Rhys Gethin. Before being taken to the Tower of London he was first imprisoned at Nottingham. He was sent from there