NameBrian Catha Na Eanaigh O'BRIEN King Of Thomond, 18G Grandfather
Web Notes notes for Brian Catha Na Eanaigh O'BRIEN King Of Thomond
He was King of Thomond after his father died in 1369. His uncle briefly was co-king in 1375, but he deposed his uncle the same year.
From book "Kings and Queens of Britain" by David Williamson, p234:
King of Thomond 1370-1399