Llywelyn ap Gruffudd, Welsh prince (b. 1223)
Llywelyn ap Gruffudd (c. 1223 – 11 December 1282), sometimes written as Llywelyn ap Gruffydd, also known as Llywelyn the Last (Welsh: Llywelyn Ein Llyw Olaf, lit. 'Llywelyn, Our Last Leader'), was Prince of Wales (Latin: Princeps Walliae; Welsh: Tywysog Cymru) from 1258 until his death at Cilmeri in 1282. The son of Gruffydd ap Llywelyn Fawr and grandson of Llywelyn the Great, he was the last sovereign prince of Wales before its conquest by Edward I of England.