Bleddyn ap Cynfyn (died AD 1075) was an 11th-century king of Powys and Gwynedd in medieval Wales, installed by Harold and Tostig Godwinson during their 1063 destruction of Gruffydd ap Llywelyn's kingdom.
Bleddyn ap Cynfyn (died AD 1075) was an 11th-century king of and Gwynedd from his fathers death in 1063 and of Powys from 1069. He was installed by Harold and Tostig Godwinson during their 1063 destruction of Gruffydd ap Llywelyn's kingdom.