Sefnyn was a Welsh language court poet from Anglesey, north Wales. His son, GWILYM ap SEFNYN, was also a poet.12
References
References
- "SEFNYN, an Anglesey poet of the second half of the 14th century". Dictionary of Welsh Biography. National Library of Wales.
- "GWILYM ap SEFNYN (Fl. C. 1440), poet". Dictionary of Welsh Biography. National Library of Wales.