Ard Tiarna Dungal is the claimant to the throne of the Ui Neill of Aileach. He is the illegitimate son of Ard Ruire Aed mac Niall.
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An Ard Tiarna is a "high lord", approximately equal in rank to a count or earl.
Ard Tiarna Dungal is the claimant to the throne of the Ui Neill of Aileach. He is the illegitimate son of Ard Ruire Aed mac Niall.
An Ard Tiarna is a "high lord", approximately equal in rank to a count or earl.