Person
Rhiwallon ap Cynfyn
Rhiwallon ap Cynfyn was a Welsh king who, with his brother Bleddyn ap Cynfyn, was set up as ruler of Gwynedd and Powys under the overlordship of Edward the Confessor after the death of Gruffudd ap Llywelyn in 1063. The brothers joined English rebels against William the Conqueror in 1068. Rhiwallon was killed at the Battle of Mechain in 1070.

Cite this entry
- APA
- The Epoch Institute. (2026). Rhiwallon ap Cynfyn. In The Epoch Institute Encyclopedia. https://the-epoch-institute.org/encyclopedia/rhiwallon-ap-cynfyn
- MLA
- “Rhiwallon ap Cynfyn.” The Epoch Institute Encyclopedia, The Epoch Institute, 2026, https://the-epoch-institute.org/encyclopedia/rhiwallon-ap-cynfyn. Accessed .
- Chicago
- The Epoch Institute. “Rhiwallon ap Cynfyn.” The Epoch Institute Encyclopedia. 2026. https://the-epoch-institute.org/encyclopedia/rhiwallon-ap-cynfyn.
- Harvard
- The Epoch Institute (2026) ‘Rhiwallon ap Cynfyn’, The Epoch Institute Encyclopedia. Available at: https://the-epoch-institute.org/encyclopedia/rhiwallon-ap-cynfyn (Accessed: ).
Last reviewed October 2026Random entry ↻