Hugo José O'Donnell y Duque de Estrada, 7th Duke of Tetuán, GE, KM, FRHistS, is a Spanish peer, naval officer, lawyer and historian who was the vice president of the International Commission for Marit
The future Duke of Tetuán (left) as a teenager in 1963 with Commandant Patrick Denis O'Donnell, an officer in the Irish Army
O'Donnell dynasty
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The O'Donnell dynasty were the dominant Irish clan of the kingdom of Tyrconnell in Ulster in the north of medieval and early modern Ireland.
An 1849 depiction of Bridget O'Donnell and her two children during the famine.
General The 1st Duke of Tetuán
Maximilian Karl Lamoral Graf O'Donell von Tyrconnell,1860