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
Margaret Hanmer ap Gruffudd, the last Prince of Wales. Nothing is known of Margaret's early life, not even the precise date of her marriage. She was the daughter of Sir David Hanmer and his wife Angharad ferch Llywelyn Ddu, and was probably raised in a Welsh household. Her father taught Owain Glyndwr when the latter studied law; it is not known when Margaret married Owain, although it is thought that their wedding may have taken place in 1383 in the church of St Chad's in Hanmer. The number of children she bore, and the dates of their births, are likewise uncertain. The