as the Hy Conaill, Hy Fiachra, or sons of Conal,
sons of Fiech, though grand, great-grand, and great-great-grandchildren.
Now the Irish who had invaded South Wales were not allowed a peaceful time in which to consolidate their power, for in the time of the grandchildren of Brychan, if not in that of his son Cledwyn, king of Carmarthen, there came down a Northern Briton, named Dyfnwal, into South Wales and drove them out, and pretty well exterminated the family of Cledwyn. This must have been about the year 500, and it was probably due to this that so many of Brychan's sons and daughters and grandchildren took to their heels and crossed the Severn Sea, and established themselves in North Devon and Cornwall.
It was not till about fifty years later that Caradoc Strong-i'-th'-Arm, the son of a granddaughter of Brychan and prince of Gallewig, the region about Callington, marched westward from the Severn, and expelled the invaders, and recovered Brecknockshire.
When the great migration took place it comprised not only the family of King Brychan, but also the Gwentian royal family, that was allied to it by blood.
Of course there has accumulated a certain amount of legend about Brychan, and we cannot really be sure that such a person ever existed; that, in fact, the name is not really that of a clan, for Breogan, which is the same as the Welsh Brychan, was the reputed ancestor of one of the branches of the
