Patrick Denis O'Donnell
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Patrick Denis O'Donnell was an Irish military historian, writer, former UN peace-keeper, and Commandant of the Irish Defence Forces.
Patrick D. O'Donnell at 83 years
O'Donnell in Honour Guard when Lieutenant, 1950s
Patrick D. O'Donnell (right) greeting young Count Hugo O'Donnell (now Duke of Tetuan) of Lucena, Spain, in Dublin in 1963
Comdt. P.D. O'Donnell during Papal Visit to Ireland, Dublin, 1979
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