Other descendants listed in Williamson, David. Debrett's kings and queens of Britain. Salem, Mass. : Topsfield House, c1986, pg. 234.
Interred in Armagh. King of Munster 978. King of Ireland 1002. Pictured in the History of the O'Briens p24. (WWW site : Directory of royal genealogical data).
Killed in battle.