Sefnyn was a Welsh language court poet from Anglesey, north Wales. His son, GWILYM ap SEFNYN, was also a poet.[1][2]

References

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  1. ^ "SEFNYN, an Anglesey poet of the second half of the 14th century". Dictionary of Welsh Biography. National Library of Wales.
  2. ^ "GWILYM ap SEFNYN (Fl. C. 1440), poet". Dictionary of Welsh Biography. National Library of Wales.