Tadhg O'Brien King Of Munster

Tadhg O'Brien King Of was born in 1009 in Munster, Ireland.  Tadhg O'Brien King Of's father was Brian Boru King of Ireland and his mother was Gormflaith.  His paternal grandparents were Cennetig Thomond macLorcain King of Thromond and Be Bind Ingen Urchada; his maternal grandparents were Murchad Leinster and Princess Connacht. He had a brother named Donnchad O'Brien King of.  He was the younger of the two children.  He died at the age of 77 in 1086.

They had a son named Murnough Murcertach.