Llywelyn ap Gruffydd was born in 1223 and died in 1282. He was the last independent ruler of Wales before its conquest by England. He was the grandson of Llywelyn the Great, and died at the Battle of Orewin Bridge near Cilmeri in central Wales, on December 11, 1282.
Gruffudd ap Llywelyn, the man in question here however, was his father. He was imprisoned in the Tower of London with his eldest son, Llywellyn ap Gruffydd's elder brother, Owain. On 1st March 1244, while trying to escape, Gruffydd fell and was killed. It is said he hit the ground head first with such force that his head was pushed into his shoulders.
Maelgwn ap Rhys died in 1230.
Gruffydd ap Llywelyn died in 1063.
Llywelyn ap Seisyll died in 1023.
John St. Bodfan Gruffydd died in 2004.
Gruffydd ap Llywelyn Fawr died in 1244.
Llywelyn ap Dafydd died in 1287.
His parents were Gruffudd Fychan (d. by 1370) ap Gruffudd ap Madog ap Gruffudd Fychan (d.1289) etc and Elen ferch Thomas ap Llywelyn ab Owain ap Maredudd etc. He and his father were lords of Glyndyfrdwy (along the Afon Dyfrdwy - River Dee - near Llangollen) in Meirionethshire and of Cynllaith Owain (around the Afon Tanat) in what is now Powys. See 'The Last Mab Darogan' pp.47-52.
Bleddyn ap Cynfyn died in 1075.
Judicael ap Hoel died in 658.
Rhydderch ap Iestyn died in 1033.
Llywelyn ap Gruffydd Fychan died in 1401.
He was known as Llywelyn ap Gruffydd, meaning Llywelyn son of Gruffydd. Gruffydd being the eldest son of Llywelyn the Great. He is known as 'the Last' because he was the last native Welsh prince of Wales.
Llywelyn ap Maredudd ap Llywelyn ap Maredudd ap Cynan died in 1263.
Anarawd ap Gruffydd died in 1143.
Cadell ap Gruffydd died in 1175.
Gruffydd ap Cynan died in 1137.
Maredudd ap Gruffydd died in 1155.
Caradog ap Gruffydd died in 1081.
Gruffydd ap Rhydderch died in 1055.
Dafydd ap Gruffydd died in 1283.
Llywelyn ap Dafydd died in 1287.
Gruffydd ap Rhys ap Thomas died in 1521.