O'Brien dynasty
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The O'Brien dynasty was an Irish Clan and noble house of Munster, founded in the 10th century by Brian Boru of the Dál gCais. After becoming King of Munster, through conquest he established himself as
Brian Boru, High King.
Conor O'Brien Tomb Effigy Photo 2
Toirdhealbhach Mor Ua Briain
Murrough O'Brien, King of Thomond, Submits to King Henry VIII