Cermait was born in 1326. Cermait's father was Lugh Lamfada and his mother was Moytura Shearbeinn. His paternal grandparents were Cían and Ethlinn. He was the youngest of two children. He had a brother named Delbáeth. He died, at the age of 48, in 1374 in the Uisnech Mountains due to natural causes or old age.
General Notes
Evidently a father chose the last name of his sons. Most Adainoth are named for their fathers, but with Cermait's sons it is not so.