- Gruffydd Aled Williams
Guto'r Glyn (fl.c. 1435–c. 1493), poet, is probably identifiable with Guto ap Siancyn y Glyn, though scholarly opinion is divided on this matter. The ‘Glyn’ of his name may have been Glyn Ceiriog or Glyndyfrdwy (now both in Clwyd). According to the later poet ...