Duinseach ingen Duach


Duinseach ingen Duach, Queen of Tara, fl. 500.

Background

Duinseach was a daughter of Dauí Tenga Uma, King of the Connachta. She was married to King Muirchertach mac Muiredaig, King of Tara. They were ancestors of the Cenél nEógain.

Battle of Seaghais

Duinseach is said to have been responsible for the battle of Seaghais in 500, where her husband killed her father.

Annalistic account of Seaghais

An account of the battle is given sub anno 499 in the Annals of the Four Masters:
The battle of Seaghais was fought by Muircheartach mac Earca against Duach Teangumha, King of Connaught. The cause of the battle was this, viz.: Muircheartach was a guarantee between the King and Eochaidh Tirmcharna, his brother, and Eochaidh was taken prisoner against the protection of Muircheartach. In proof of which Ceannfaeladh said:
Against the Connaughtmen these battles were gained.''

Family tree

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Brión Niall Noígíallach
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Dauí Tenga Uma Eógan mac Néill
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|________________ Muiredach mac Eógain
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Cú Charainn Duinseach, alive 500 = Muirchertach mac Muiredaig/Muirchertach mac Ercae
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Mugain ingen Cú Charainn | |
=Diarmait mac Cerbaill | |
| Forggus mac Muirchertaig Domnall Ilchelgach, died c. 566.
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Áed Sláine

Cenél nEógain descendants

, died c. 566.
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Áed Uaridnach Eochaid Colgo
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Máel Fithrich mac Áedo, d. 630. Dáre
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Máel Dúin mac Máele Fithrich, died 681. Máel Tuile
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Fergal mac Máele Dúin
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Áed Allán Niall Frossach Conchobar Colgu
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| Áed Oirdnide Colmán Ferchar Muirchertach
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| Niall Caille Máel Dúin Fogartach Blaithmac Máel Calland
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Máel Dúin mac Áedo Alláin Cathal
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Murchad mac Máele Dúin, fl. 819–833. Tigernach Flann
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| Úi Tigernaich Úi Chellaich & Úi h-Uidir.
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Erulb/Herulfr Ruadrí Muiredach
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| | | | Úi Flaithbertaich
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Amlaíb Sartobda Birn Máel Ciaráin
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Niall, d.958/964? Tomrar Muintir Birn Úi Domnalláin
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Áed Gilla Maire
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Donnchad Tomrar
d.1014. d. 1013?
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Máel Colum

Muintir Birn/Byrne of Donegal

Birn mac Ruadrí mec Murchad mac Máele Dúin
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Anféid Cern Guthmár Donnacán
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Tellach n-Anfida Tellach Cruind id est Úi Fergail Tellach n-Donnacáin