Rhys ap Gruffudd was a prince of an area called ... Gruffydd’s son, a man called Llywelyn ap Gruffydd, was very angry about this. So he imprisoned anyone who would be in competition with him.
Diplomatic relations with the English monarchs began to break down and Llywelyn ap Gruffydd was pushed into all-out war with Edward I. In the five years after the treaty of Aberconwy, Llywelyn ...
a Grade II listed building that was the ancestral home of The Lord Rhys - Rhys ap Gruffydd - Prince of the Welsh Kingdom of the Deheubarth (and his descendants) for over three centuries.