One of them (was) the people of the Coraniaid, who came here in the time of Caswallawn ap Beli: and not one of them went back. And they came from Arabia.
The second Oppression : the Gwyddyl Ffichti. And not one of them went back.
The third Oppression: the Saxons, with Hengist and Horsa as their leaders.
One of The Welsh Triads
The "Coraniaid" is believed to be a reference to the Tylwyth Teg, that is the fairies.
The Gwyddyl Ffichti, the painted Irish, are the Picts.