Gruffydd ap Rhys Prince of Deheubarth

Gruffydd ap Rhys Prince of was born in 1081 in Dynevor, Llandyfeisant, Carmarthenshire, Wales.  Gruffydd ap Rhys Prince of's father was Rhys Ap Tewdr Mawr and his mother was Gwladys Ferch Rhiwallon.  His paternal grandparents were Tudor Mawr of South Wales and Gwenlian of Anglesea; his maternal grandfather was Rhywallon Prince of Powys. He had a sister named Nesta Ferch.  He was the younger of the two children.  He died at the age of 56 in 1137.