Person

Vortiporius

fl. mid-6th century · 6th century · Also known as Gwrthefyr

Vortiporius was a 6th-century king of Dyfed in south-west Wales, whom Gildas called tyrant of the Demetae and condemned in On the Ruin of Britain. A memorial stone from Castell Dwyran in Carmarthenshire, inscribed in Latin and ogham to Voteporigis the Protector, is often taken to be his. Welsh genealogies name him Gwrthefyr.

Vortiporius
Image: LinguisticDemographer at English Wikipedia · Public domain · Wikimedia Commons

Mentioned in 1 state history

Kingdom of Dyfed

See also

Cite this entry
APA
The Epoch Institute. (2026). Vortiporius. In The Epoch Institute Encyclopedia. https://the-epoch-institute.org/encyclopedia/vortiporius
MLA
“Vortiporius.” The Epoch Institute Encyclopedia, The Epoch Institute, 2026, https://the-epoch-institute.org/encyclopedia/vortiporius. Accessed .
Chicago
The Epoch Institute. “Vortiporius.” The Epoch Institute Encyclopedia. 2026. https://the-epoch-institute.org/encyclopedia/vortiporius.
Harvard
The Epoch Institute (2026) ‘Vortiporius’, The Epoch Institute Encyclopedia. Available at: https://the-epoch-institute.org/encyclopedia/vortiporius (Accessed: ).

Last reviewed October 2026Random entry ↻