Toirdhealbhach mac Diarmada Ua Briain was King of Munster in an interrupted reign from 1142 to 1165.
He was the son of Diarmaid Ua Briain, King of Munster.
He was deposed by his son Muircheartach in 1165 and died in 1167, being interred at Killaloe.
[1] He married firstly a daughter of the Mac Carthaigh Mór who died without issue.
He married secondly Sadb MacGillapatrick, daughter of Donnchad mac Gilla Pátraic, King of Ossory (died 1039) and had six sons: