Gwenwynwyn
Gwenwynwyn ab Owain Cyfeiliog was the last major ruler of mid Wales before the completion of the Norman English invasion. He was one of few native rulers to represent a real threat to the rule of Llywelyn the Great. Wikipedia
Died: 1216
Grandchildren: Owen de la Pole, Margred 'de La Pole' of Wales, Llywelyn ap Gruffudd ap Gwenwynwyn, and more
Children: Gruffydd ap Gwenwynwyn
Parents: Owain Cyfeiliog
Great grandchildren: Yr 'Hen' Iorwerth ap Owain, Rhirid ab Owain ab Bleddyn ap Tudur, Margred ferch Dafydd ap Gruffudd ap Gwenwyn, and more