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Toirdelbach Ua Briain
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Toirdelbach Ua Briain
Toirdhealbhach ua Briain (old spelling: Toirdelbach ua Briain), anglicised Turlough O'Brien (1009 – 14 July 1086), was King of Munster and effectively High King of Ireland. A grandson of Brian 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 nothing is known of Toirdelbach. It was not until the 1050s that he found allies in Connacht and in Leinster, particularly the powerful King of Leinster Diarmait mac Maíl na mBó, who would aid his claims to be ruler of Munster. It took perhaps ten years of sustained attack to remove his uncle Donnchad from power, and send him into exile, and to place Toirdelbach in power in Munster as Diarmait's faithful ally.
On Diarmait's death Toirdelbach took over the reins of power, establishing himself as ruler of more than half of Ireland. While not a great military leader, he was a capable politician whose influence extended as far north as Ulaid and who made and unmade Kings of Connacht. He died after more than two decades in power, following a lengthy illness, still in control of events. Both his son, Muirchertach Ua Briain, and grandson, Toirdelbach Ua Conchobair, would go on to be influential Irish kings.
Toirdelbach was the son of Tadc mac Briain, son of Brian Bóruma, and Mór, daughter of Gilla Brigte Ua Maíl Muaid of Cenél Fiachach. His father was killed in 1023, probably on the orders of his half-brother Donnchad mac Briain who thereby made himself king of Munster. Donnchad, while he successfully retained control of Munster for four decades, was never able to achieve the same success as Brian. Epigraphic evidence shows that he aimed to be king of Ireland, and perhaps considered himself to be such, but the annalists and later historians recognised no such pretensions.
As for Toirdelbach, the annals record nothing of him until the 1050s, at which time he was seeking, and finding, outside assistance against his uncle. Donnchad's main rivals were Diarmait mac Maíl na mBó, King of Leinster from 1042, and Áed in Gaí Bernaig, King of Connacht from 1046. Diarmait in particular was a serious threat; allied with Niall mac Eochada, King of Ulster, he installed his son Murchad as ruler of Dublin in 1052, driving out Donnchad's brother-in-law and ally Echmarcach mac Ragnaill. From the beginning of the 1050s onwards, Donnchad came under sustained attack from both Áed and Diarmait. Toirdelbach first joined with Áed in the early 1050s, raiding into Tuadmumu in 1052 and inflicting a heavy defeat on Donnchad's son Murchad in Corco Mruad, the north-west of modern County Clare in 1055. By 1058 Toirdelbach had gained Diarmait's support, for he was present when Diarmait, the Leinstermen and the Osraige drove Donnchad from Limerick, which he burned so that it would not fall into the hands of his enemies, and defeated him at Sliabh gCrot in the Galtee Mountains.
In 1060 Donnchad attempted to divide his enemies by submitting to Áed. This was unsuccessful as Áed attacked again in 1061, razing the Dál gCais fortress at Kincora and burning their church at Killaloe. Injury was added to insult when Diarmait brought an army, and Toirdelbach in his train, to Munster in 1062. Donnchad's son Murchad led the unsuccessful resistance, and even when Diarmait returned to Leinster, Toirdelbach defeated his kinsmen. By 1063, Donnchad was beaten. Deposed, he went on pilgrimage to Rome where he died the following year. Diarmait installed Toirdelbach as a puppet king in Munster.
Following Donnchad's deposition, Toirdelbach was one of Diarmait's key allies, particularly in Diarmait's final years when his authority was challenged within Leinster. In 1066 Diarmait and Toirdelbach each paid 30 ounces of gold to the king of Ciarraige Luachra of West Munster for his help in assassinating their enemies. In 1067 they campaigned together to defeat and kill the king of Ciarraige Luachra. Toirdelbach's nephew Murchad son of Donnchad was killed in 1068 while raiding in the midlands.
The Annals of Innisfallen record Toirdelbach as a lawmaker, reporting that in 1068: "A law and ordinance was made by Tairdelbach Ua Briain-and no better law was enacted in Mumu for a long time—with the result that neither cow nor horse was housed [at night] but allowed to wander at will." In the same year, and perhaps related to this law-making, Máel Ísu mac Amalgada, comarba Pátraic or abbot of Armagh and successor of Saint Patrick, visited Munster for the first time and received "his full visitation, both in tribute and offerings".
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Toirdelbach Ua Briain
Toirdhealbhach ua Briain (old spelling: Toirdelbach ua Briain), anglicised Turlough O'Brien (1009 – 14 July 1086), was King of Munster and effectively High King of Ireland. A grandson of Brian 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 nothing is known of Toirdelbach. It was not until the 1050s that he found allies in Connacht and in Leinster, particularly the powerful King of Leinster Diarmait mac Maíl na mBó, who would aid his claims to be ruler of Munster. It took perhaps ten years of sustained attack to remove his uncle Donnchad from power, and send him into exile, and to place Toirdelbach in power in Munster as Diarmait's faithful ally.
On Diarmait's death Toirdelbach took over the reins of power, establishing himself as ruler of more than half of Ireland. While not a great military leader, he was a capable politician whose influence extended as far north as Ulaid and who made and unmade Kings of Connacht. He died after more than two decades in power, following a lengthy illness, still in control of events. Both his son, Muirchertach Ua Briain, and grandson, Toirdelbach Ua Conchobair, would go on to be influential Irish kings.
Toirdelbach was the son of Tadc mac Briain, son of Brian Bóruma, and Mór, daughter of Gilla Brigte Ua Maíl Muaid of Cenél Fiachach. His father was killed in 1023, probably on the orders of his half-brother Donnchad mac Briain who thereby made himself king of Munster. Donnchad, while he successfully retained control of Munster for four decades, was never able to achieve the same success as Brian. Epigraphic evidence shows that he aimed to be king of Ireland, and perhaps considered himself to be such, but the annalists and later historians recognised no such pretensions.
As for Toirdelbach, the annals record nothing of him until the 1050s, at which time he was seeking, and finding, outside assistance against his uncle. Donnchad's main rivals were Diarmait mac Maíl na mBó, King of Leinster from 1042, and Áed in Gaí Bernaig, King of Connacht from 1046. Diarmait in particular was a serious threat; allied with Niall mac Eochada, King of Ulster, he installed his son Murchad as ruler of Dublin in 1052, driving out Donnchad's brother-in-law and ally Echmarcach mac Ragnaill. From the beginning of the 1050s onwards, Donnchad came under sustained attack from both Áed and Diarmait. Toirdelbach first joined with Áed in the early 1050s, raiding into Tuadmumu in 1052 and inflicting a heavy defeat on Donnchad's son Murchad in Corco Mruad, the north-west of modern County Clare in 1055. By 1058 Toirdelbach had gained Diarmait's support, for he was present when Diarmait, the Leinstermen and the Osraige drove Donnchad from Limerick, which he burned so that it would not fall into the hands of his enemies, and defeated him at Sliabh gCrot in the Galtee Mountains.
In 1060 Donnchad attempted to divide his enemies by submitting to Áed. This was unsuccessful as Áed attacked again in 1061, razing the Dál gCais fortress at Kincora and burning their church at Killaloe. Injury was added to insult when Diarmait brought an army, and Toirdelbach in his train, to Munster in 1062. Donnchad's son Murchad led the unsuccessful resistance, and even when Diarmait returned to Leinster, Toirdelbach defeated his kinsmen. By 1063, Donnchad was beaten. Deposed, he went on pilgrimage to Rome where he died the following year. Diarmait installed Toirdelbach as a puppet king in Munster.
Following Donnchad's deposition, Toirdelbach was one of Diarmait's key allies, particularly in Diarmait's final years when his authority was challenged within Leinster. In 1066 Diarmait and Toirdelbach each paid 30 ounces of gold to the king of Ciarraige Luachra of West Munster for his help in assassinating their enemies. In 1067 they campaigned together to defeat and kill the king of Ciarraige Luachra. Toirdelbach's nephew Murchad son of Donnchad was killed in 1068 while raiding in the midlands.
The Annals of Innisfallen record Toirdelbach as a lawmaker, reporting that in 1068: "A law and ordinance was made by Tairdelbach Ua Briain-and no better law was enacted in Mumu for a long time—with the result that neither cow nor horse was housed [at night] but allowed to wander at will." In the same year, and perhaps related to this law-making, Máel Ísu mac Amalgada, comarba Pátraic or abbot of Armagh and successor of Saint Patrick, visited Munster for the first time and received "his full visitation, both in tribute and offerings".