His compositions include eulogies of Hywel Colunwy (not of Hywel ap Siencyn), Dafydd Deuddwr, Watcyn ap Tomas ap Rhoser, and Dafydd ab Owain, abbot of Strata Marcella, and poems of a religious nature. It appears from the contents of ' Tebic ywr byd kyngyd kaeth ' that towards the end of his life he became blind.
Published date: 1959
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