Note 108 — THE DREAM OF RHONABWY.
Charlotte Schreiber translation
And they reckoned that the corn land of Powys, from Aber Ceirawc in Allictun Ver to Rhyd Wilure on the Vyrnwy, was as good as the three best commots in Powys; and that, if there was not sustenance for him and his followers in that corn land, there would be none in Powys.