Niall Glúndub mac Áeda (

Modern Irish Irish ( Standard Irish: ), also known as Gaelic, is a Goidelic language of the Insular Celtic branch of the Celtic language family, which is a part of the Indo-European language family. Irish is indigenous to the island of Ireland and was t ...

: ''Niall Glúndubh mac Aodha'', "Niall Black-Knee, son of Áed"; died 14 September 919) was a 10th-century Irish king of the

Cenél nEógain Cenél is a surname. Notable people with the surname include: * Cenél Conaill, the name of the "kindred" or descendants of Conall Gulban, son of Niall Noígiallach defined by oral and recorded history * Cenél nEógain (in English, Cenel Eogan) i ...

and High King of Ireland. Many Irish kin groups were members of the

Uí Néill The Uí Néill (Irish pronunciation: ; meaning "descendants of Niall") are Irish dynasties who claim descent from Niall Noígíallach (Niall of the Nine Hostages), a historical King of Tara who died c. 405. They are generally divided into t ...

and traced their descent from Niall of the Nine Hostages (Niall Noígiallach). His mother was Máel Muire, daughter of

Kenneth MacAlpin Kenneth MacAlpin ( mga, Cináed mac Ailpin, label= Medieval Gaelic, gd, Coinneach mac Ailpein, label=Modern Scottish Gaelic; 810 – 13 February 858) or Kenneth I was King of Dál Riada (841–850), King of the Picts (843–858), and the K ...

, King of Scots.

Biography

Son of

Áed Findliath Áed mac Néill (died 879), called Áed Findliath ("fair-grey Áed"; Modern Irish: ''Aodh Fionnadhliath'') to distinguish him from his paternal grandfather Áed Oirdnide, was king of Ailech and High King of Ireland. He was also called Áed Olac ...

, Niall is first recorded succeeding his brother Domnall mac Áeda as

King of Ailech The Kings of Ailech were the over-kings of the medieval Irish province of Ailech in north-western Ireland. It encompassed the territories of the Cenél nEógain and Cenél Conaill. After the battle of Cloítech in 789 its kings were exclusively ...

upon his death in 911. Extending his control to neighboring kingdoms, Niall defeated the Kings of

Dál nAraidi Dál nAraidi (; "Araide's part") or Dál Araide, sometimes Latinised as Dalaradia or Anglicised as Dalaray,Boyd, Hugh AlexanderIrish Dalriada ''The Glynns: Journal of The Glens of Antrim Historical Society''. Volume 76 (1978). was a Cruthin kin ...

and

Ulaid Ulaid (Old Irish, ) or Ulaidh ( Modern Irish, ) was a Gaelic over-kingdom in north-eastern Ireland during the Middle Ages made up of a confederation of dynastic groups. Alternative names include Ulidia, which is the Latin form of Ulaid, and i ...

at the Battles of Glarryford (in present-day

County Antrim County Antrim (named after the town of Antrim, ) is one of six counties of Northern Ireland and one of the thirty-two counties of Ireland. Adjoined to the north-east shore of Lough Neagh, the county covers an area of and has a population o ...

) and Ballymena before his defeat by high-king Flann Sinna mac Maíl Sechnaill of the

Clann Cholmáin Clann Cholmáin is the dynasty descended from Colmán Már mac Diarmato, son of Diarmait mac Cerbaill. Part of the Southern Uí Néill — they were the kings of Mide (Meath) — they traced their descent to Niall Noígiallach and his ...

Uí Néill at the Battle of

Crossakiel Crossakiel or Crossakeel ( Irish: ''Crosa Caoil'', meaning "the crosses of Caol") is a village in County Meath, Ireland. It is situated in the north-west of the county, at the junction of the R154 and the L2801, approximately 13km south of Oldc ...

(in present-day

County Meath County Meath (; gle, Contae na Mí or simply ) is a county in the Eastern and Midland Region of Ireland, within the province of Leinster. It is bordered by Dublin to the southeast, Louth to the northeast, Kildare to the south, Offaly to the ...

). Following Flann's death in 916, Niall succeeded him as High King of Ireland. It was during his reign in which he would reestablish the Óenach Tailteann, a traditional gathering of Irish clans. He was married to Gormflaith ingen Flann Sinna. With the support of the clans of

Leth Cuinn Leath Cuinn (Conn's Half) and Leath Moga (Mugh's half) are legendary ancient divisions of Ireland. Leath Cuinn was the island north of the Esker Riada (east-west drumlin belt from Dublin to Galway Bay). Conn Cétchathach, for whom this division i ...

(Northern half of Ireland), the Uí Néill eventually acknowledged his claim to the throne. With a surge of

Northmen The Norsemen (or Norse people) were a North Germanic ethnolinguistic group of the Early Middle Ages, during which they spoke the Old Norse language. The language belongs to the North Germanic branch of the Indo-European languages and is the pre ...

forces the

Uí Ímair The Uí Ímair (; meaning ‘''scions of Ivar’''), also known as the Ivar Dynasty or Ivarids was a royal Norse-Gael dynasty which ruled much of the Irish Sea region, the Kingdom of Dublin, the western coast of Scotland, including the Hebrides ...

launched an invasion in the south of Ireland in the years following 914 which greatly weakened the Eoghanacht of Munster and led to the establishment of a longfort at Waterford. Intent on opposing this, and coming to the assistance of Munster, Niall's forces moved south and fought a large battle against a group of Northmen in the summer of 917, ending inconclusively but with the death of many nobles and tributary kings in his following. The army of the King of Leinster which had been called in to reinforce him however was utterly devastated near St Mullins, leaving the province in a tributary position to the Northmen. Despite his campaigns against the Northmen they continued to settle in large numbers, re-establishing their stronghold in Dublin (after a 15-year gap) and various ports on the eastern coast putting pressure on the Midland kingdom of Midhe. In an effort to bring the war to the Northmen, Niall advanced into

Leinster Leinster ( ; ga, Laighin or ) is one of the provinces of Ireland, situated in the southeast and east of Ireland. The province comprises the ancient Kingdoms of Meath, Leinster and Osraige. Following the 12th-century Norman invasion of ...

, supported by the Uí Néill clans, the Airgíalla and the

. However, his forces were decimated by the Northmen under Sihtric Cáech as Niall was killed, along with twelve other chieftains, at the Battle of Islandbridge on 14 September 919. Another account in the '' Anglo-Saxon Chronicle'' has Sihtric Cáech slaying his brother Niall in 921. Glúndub was succeeded as High King by Donnchad Donn mac Flainn, son of Flann Sinna, and as

by his son

Muirchertach mac Néill Muirchertach mac Néill (died 26 February 943), called Muirchertach of the Leather Cloaks ( sga, Muirchertach na Cochall Craicinn), was a King of Ailech. Family Muirchertach belonged to the Cenél nEógain sept of the northern Uí Néill. He was ...

, "the Hector of the Western World".

Family tree

Niall Caille = Gormflaith ingen Donncadha , , ____________________________________________________________________________ , , , , Áed Findliath = Gormlaith Rapach = Land ingen Dúngaile = Máel Muire unnamed daughter = Conaing mac Flainn , , , _______________, , Flann , , , , , , (''mother's identity unknown'') , Gormlaith Domnall Eithne Domnall Dabaill Máel Dub Máel Dúin , = Flann Sinna , , , , Niall Glúndub, d. 919. = Gormflaith ingen Flann Sinna, c.870-948. , , Muirchertach mac Néill, d. 943.

References

Bibliography

*Webb, Alfred. ''A Compendium of Irish Biography: Comprising Sketches of Distinguished Irishmen and of Eminent Persons Connected with Ireland by Office or by Their Writings'', New York: Lemma Publishing Corporation, 1970. {{DEFAULTSORT:Niall Glundub Year of birth missing 919 deaths People from County Tyrone O'Neill dynasty 10th-century kings of Ailech 10th-century High Kings of Ireland Monarchs killed in action