Donnchadh mac Briain (old spelling: Donnchad mac Briain) (died 1064), son of Brian Bóruma and Gormflaith ingen Murchada, was King of Munster. Brian Bóruma...

Bóruma, Toirdelbach was the son of Tadc mac Briain who was killed in 1023 by his half-brother Donnchad mac Briain. For the first forty years of his life...

of Munster, rivalling his half brother Donnchad mac Briain. Tadc was assassinated at the instigation of Donnchad in 1023. Duffy, Seán (2004). "Brian Bóruma...

have forged an alliance with the powerful Uí Briain. A leading member of this kindred, Donnchad mac Briain, King of Munster, was married to Cacht ingen...

the grandson of Donnchad Donn, great-grandson of Flann Sinna and great-great-grandson of the first Máel Sechnaill, Máel Sechnaill mac Máele Ruanaid. The...

Annals of the Four Masters Annals text Bracken, Damian (2004), "Mac Briain, Donnchad (d. 1064)", Oxford Dictionary of National Biography, Oxford: Oxford...

for Cork South–Central Kings in Ireland Donnchad Donn (Donnchad mac Flainn), High King 918–942 Donnchad mac Briain, self-styled High King 1024–1026 (with...

eliminating him from succession. King Donnchad inflicted a slaughter on the Dál gCais and Eóganachta, led by Donnchad mac Briain in a predatory incursion into...

provided three more High Kings of Ireland; Donnchad mac Briain, Toirdelbach Ua Briain and Muirchertach Ua Briain. From the 12th–16th centuries, the Dál gCais...

loosened by the rise of Brian Bóruma of the Dál gCais, who established the Ó Briain as kings of Munster. As well as this, Munster had to contend with the Normans...