Corpus of Electronic Texts Edition
The destruction of Da Derga's Hostel (Author: [unknown])

section 9

So in that wise he was reared, and the men of Erin straightway knew this boy on the day he was born. And other boys were fostered with him, to wit, Fer Le and Fer Gar and Fer Rogein, three great-grandsons of Donn Désa the champion, an army-man of the army from Muc-lesi(?).