Corpus of Electronic Texts Edition
Cath Maige Tuired: The Second Battle of Mag Tuired (Author: [unknown])

section 25

But after Bres had assumed the sovereignty, three Fomorian kings (Indech mac Dé Domnann, Elatha mac Delbaith, and Tethra) imposed their tribute upon Ireland—and there was not a smoke from a house in Ireland which was not under their tribute. In addition, the warriors of Ireland were reduced to serving him: Ogma beneath a bundle of firewood and the Dagda as a rampart-builder, and he constructed the earthwork around Bres's fort.