Dafydd ap Gruffydd (or
Dafydd ap Gruffudd, angl.
David, son of Gruffydd; ) (11 July (?) 1238 – 3 October 1283) was
Prince of Wales from 11 December 1282 until his execution on 3 October 1283 by King
Edward I of England. He was the last independent ruler of
Wales.