Corpus of Electronic Texts Edition
The Second Battle of Moytura (Author: [unknown])

section 24

Because of that contest which took place among the Tuath Dé the sovranty of Ireland was given to that boy; and he gave seven hostages to Ireland's champions, that is, to her chiefs, for restoring the sovranty if his own (misdeeds) should so give cause. His mother afterwards bestowed land upon him, and on the land he had a fortress built, even Dún Brese; and it was the Dagdae that built that fortress.