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
Men of Harlech Men of Harlech "Men of Harlech" or "The March of the Men of Harlech" (in Welsh: "Rhyfelgyrch Gwŷr Harlech") is a song and military march which is traditionally said to describe events during the seven-year siege of Harlech Castle between 1461 and 1468. Commanded by Constable Dafydd ap Ieuan, the garrison withstood the longest known siege in the history of the British Isles. "Through Seven Years" is an alternative name for the song. The song has also been associated with the earlier, briefer siege of Harlech Castle about 1408, which pitted the forces of Owain Glyndŵr against the future Henry