Diarmaid mac Madudan was Chief of

Síol Anmchadha Síol Anmchadha was a sub-kingdom or lordship of Uí Maine, and ruled by an offshoot of the Uí Maine called the Síol Anmchadha (''"the seed of Anmchadh"''), from whom the territory took its name. It was located in Connacht, Ireland. Histor ...

from 1032–1069.

Biography

Described as ''a rod who ruled each road'', Diarmaid was the son of

Madudan mac Gadhra Mór Madudan mac Gadhra Mór (died 1008) was the namesake and ancestor of the Ó Madden family. Madudan was the son of Gadhra Mór mac Dundach who fought at the Battle of Clontarf in 1014. The Annals of Ulster describe him as Chief of Síol Anmchadh ...

. He led the Madden clan in a plundering raid on

Clonmacnoise Clonmacnoise ( Irish: ''Cluain Mhic Nóis'') is a ruined monastery situated in County Offaly in Ireland on the River Shannon south of Athlone, founded in 544 by Saint Ciarán, a young man from Rathcroghan, County Roscommon. Until the 9th cen ...

in 1050. However, he became blind in old age and was killed by his nephew, Madudan, and succeeded by his son, Madudan Reamhar Ua Madadhan.

References

* ''O'Madáin: History of the O'Maddens of Hy-Many'',

Gerard Madden Gerard Madden is a native of Whitegate, County Clare, and is the author of a number of books dealing with the ancestry of Irish families, including the Maddens of County Galway. References *Holy Island, Jewel of the Lough, 1990, reprinted 19 ...

, p. 5, 8, 2004. . People from County Galway 11th-century Irish monarchs {{ireland-royal-stub