Conchobar Ua Briain (died 1142) was a mid-twelfth-century ruler of the kingdoms of Munster and Dublin.
Conchobar was a son of Diarmait Ua Briain, King of Munster.[1] In 1138, Conchobar assumed the kingship of Munster.[2] The Annals of the Four Masters reveals that he gained the kingship of Dublin in 1141.[3] He died the following year.[4]
It is believed that Conchobar Ua Briain founded what is now known as Cahir Castle in the early 12th century. The fortress was a state-of-the-art defensive stronghold at the time, and continued to be in use for hundreds of years after being gifted to the Butler family in 1375 by Edward III.
^Duffy (1992) p. 121; Ó Corráin (1971) tab. ii.
^Duffy (1992) p. 121; Ó Corráin (1973) p. 59 n. 33.
^Annals of the Four Masters (2013a) § 1141.8; Annals of the Four Masters (2013b) § 1141.8; Duffy (1992) p. 121.
^Duffy (1992) p. 121.
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