House of Dinefwr
The House of Dinefwr was a Royal house of Wales and refers to the descendants of Cadell ap Rhodri, King of Seisyllwg (reign 872–909), son of Rhodri the Great.
House of Dinefwr | |
---|---|
![]() Banner of the House of Dinefwr | |
Parent house | House of Gwynedd |
Country | Wales |
Founded | 854 |
Founder | Cadell ap Rhodri, Prince of Seisyllwg |
Titles | |
Cadet branches |

With the death of Rhodri Mawr, the kingdom of Gwynedd passed to his eldest son Anarawd ap Rhodri. Rhodri's second son Cadell ap Rhodri, however, looked outside Gwynedd's traditional borders and took possession of the Early Medieval Kingdom of Dyfed by the late 9th century, establishing his capital at the citadel of Dinefwr. Cadell ap Rhodri's descendants are designated Dinefwr after the citadel from which they would rule Dyfed. The Dinefwr dynasty under king Hywel Dda would unite Dyfed and Seisyllwg into the kingdom of Deheubarth in the early 10th century. The Dinefwr dynasty would rule in Deheubarth until their conquest by the Anglo-Normans in the 13th century. This branch would compete with House Aberffraw for supremacy and influence in Wales throughout the 10th, 11th and 12th centuries, with Powys variously ruled between them. Eventually, a cadet branch of Dinefwr would establish itself in Powys by the mid-11th century, designated Mathrafal after the castle there.
Members
Non exhaustive list of the members of the Royal house of Dinefwr :
- Anarawd ap Gruffydd, Prince of Deheubarth
- Cadell ap Gruffydd, Prince of Deheubarth
- Cadell ap Rhodri, King of Seisyllwg
- Einion ab Owain, Welsh Prince
- Gruffydd ap Rhys, Prince of Deheubarth, and brother of Princess Nesta, wife of Gerald of Windsor
- Gwenllian ferch Gruffydd, Princess consort of Deheubarth and daughter of the King of Gwynedd
- Hywel Dda, Prince of Seisyllwg and Deheubarth, King of Dyfed, Powys and Gwynedd
- Llywelyn ap Seisyll, King of Gwynedd, Powys and Deheubarth
- Maredudd ab Owain, King of the Britons
- Maredudd ab Owain ab Edwin, Welsh Prince
- Maredudd ap Gruffydd, Prince in South-West Wales
- Nest ferch Rhys, Princess married to Gerald of Windsor, of the House of Fitzgerald
- Owain ap Hywel Dda, King of South Wales
- Rhain the Irishman, King of Dyfed
- Rhodri ap Hywel, King of Deheubarth, son of the King of Britons
- Rhys ab Owain, King of Deheubarth, fought against the King of Gwynedd and Powys
- Rhys ap Gruffydd, Prince of Wales
- Rhys ap Maredudd, Welsh Prince
- Rhys ap Tewdwr, King of Southern Wales