Muiredach mac Ruadrach (died 829) was a

King of Leinster The kings of Leinster ( ga, Rí Laighín), ruled from the establishment of Leinster during the Irish Iron Age, until the 17th century Early Modern Ireland. According to Gaelic traditional history, laid out in works such as the ''Book of Invasio ...

of the Uí Fáeláin sept of the

Uí Dúnlainge The Uí Dúnlainge, from the Old Irish "grandsons (or descendants) of Dúnlaing", were an Irish dynasty of Leinster kings who traced their descent from Dúnlaing mac Énda Niada. He was said to be a cousin of Énnae Cennsalach, eponymous ancest ...

branch of the Laigin. This sept had their royal seat at Naas in the eastern part of the Liffey plain, Airthir Liphi. He was the son of

Ruaidrí mac Fáeláin Ruaidrí mac Fáeláin (died 785) was a King of Leinster of the Uí Fáeláin sept of the Uí Dúnlainge branch of the Laigin. He was the son of Fáelán mac Murchado (died 738), a previous king. This sept had their royal seat at Naas in the east ...

(died 785), a previous king. He ruled from 805-806 and again from 808-829. In 805 the Leinster king,

Fínsnechta Cethardec Finsnechta Cethardec mac Cellaig (died 808) was a King of Leinster of the Uí Dúnchada sept of the Uí Dúnlainge branch of the Laigin. He was the son of Cellach mac Dúnchada (died 776), a previous king. He ruled from 795 to 808. His byname Ceth ...

mac Cellaig (died 808) of the Uí Dúnchada sept was deposed by the high king Áed Oirdnide (died 819) 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) is ...

who installed the Muiredach as king instead along with Muiredach mac Brain of the Uí Muiredaig sept.. Finsnechta took refuge with Muirgius mac Tommaltaig (died 815), the King of Connacht who then aided him in recovering his throne in 806. According to the ''Book of Leinster'', Finsnechta recovered his throne by defeating the two sons of Ruaidrí - probably Muiredach and his brother Diarmait. Upon the death of Finsnechta, the two Muiredachs then became the rulers. Upon the death of Muiredach mac Brain in 818, Muiredach mac Ruadrach became sole ruler. In the year of his co-rulers death, the annals record that the high king Áed Oirdnide again mustered his forces at Dún Cuair on the Leinster border and again attempted to divide the province among his appointees -the "grandsons" of Bran. It is not known who these grandsons and the known candidates were too young at this time. In 818 the Laigin were responsible for the killing of the prior of Cell Mór Enir (Kilmore, near Armagh) The next year in 819, Áed Oirdnide ravaged Leinster in revenge devastating Cualu as far as Glendalough. In 820 the Laigin forces accompanied the new high king,

Conchobar mac Donnchada Conchobar mac Donnchada (or Conchobar mac Donnchado) was High-King of Ireland with opposition ('' rí Érenn co fressabra'') between 819 and 833. Conchobar was the son of Donnchad Midi, high-king of Ireland ( 733–797); his mother was Fuirseach ...

(died 833) of

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 ...

in his campaign versus his rival, Murchad mac Máele Dúin of the Cenél nEógain but no battle took place. Later, in 827, we find Muiredach involved in a disturbance at the fair of Colmán where he attacked the Laigin Desgabair or Uí Cheinnselaig of south Leinster. His brother, Diarmait (died 832) succeeded him as ruler of the Uí Fáeláin sept and was called King of Airthir Liphe (eastern Liffey) in the annals.AU 832.8 Diarmait's son,

Muirecán mac Diarmata Muirecán mac Diarmata (died 863) was a King of Leinster of the Uí Fáeláin sept of the Uí Dúnlainge branch of the Laigin. This sept had their royal seat at Naas in the eastern part of the Liffey plain, Airthir Liphi. He was the son of D ...

(died 863) was a king of Leinster.

Notes

References

* ''Annals of Ulster'' a
CELT: Corpus of Electronic Texts
a
University College Cork
* ''Book of Leinster'',''Rig Laigin'' a

a
University College Cork
* Byrne, Francis John (2001), Irish Kings and High-Kings, Dublin: Four Courts Press,

External links

a
University College Cork
{{DEFAULTSORT:Ruadrach, Muiredach Mac 8th-century births 829 deaths Kings of Leinster Kings of Uí Dúnlainge 9th-century Irish monarchs People from County Kildare