He was born in c.1420, probably in the parish of Llanbydder in south-west Wales, and took his bardic name from the forest of Glyn Cothi in the Cothi valley.
He was born in c.1420 in the parish of Llanbydder in south-west Wales. This was probably. He took his bardic name from the forest of Glyn Cothi in the Cothi valley.