Bleddyn ap Cynfyn

King of Gwynedd from 1063 to 1075

Bleddyn ap Cynfyn, sometimes spelled Blethyn, was an 11th century Welsh king. King Harold Godwinson and Tostig Godwinson installed Bleddyn and his brother, Rhiwallon, as the co-rulers of kingdom of Gwynedd on his father's death in 1063, during their destruction of the kingdom of their half-brother, king Gruffydd ap Llywelyn. Bleddyn became king of Powys and co-ruler of the Kingdom of Gwynedd with his brother Rhiwallon from 1063 to 1075. His descendants continued to rule Powys as the House of Mathrafal.

This keyword could refer to multiple things. Here are some suggestions: