NameRhys Ap Gruffydd Prince Of Deheubarth, 27G Grandfather
Birth1132, Caeo, Cantref Mawr, Deheubarth
Death28 Apr 1197
BurialPembrokeshire, Wales
Notes for Rhys Ap Gruffydd Prince Of Deheubarth
He used the title Proprietary Prince of Deheubarth or Prince of South Wales
from Wikipedia:
Rhys was one of the most successful and powerful Welsh leaders of the Middle Ages, and after the death of the king of Gwynedd, Owain Gwynedd, in 1170, he was the dominant power in Wales.