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

section 44

Then they were asked whether they had anyone who was good at sword-play, and no one was found among them except Bres. But when he lifted the hand with the sword, his father recognized the ring on his finger and asked who the warrior was. His mother answered on his behalf and told the king that Bres was his son. She related to him the whole story as we have recounted it.