George O'Callaghan, 2nd Viscount Lismore
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George Ponsonby O'Callaghan, 2nd Viscount Lismore (16 March 1815 – 29 October 1898) was an Irish peer and British Army officer.
George Ponsonby O'Callaghan, 2nd Viscount Lismore (16 March 1815 – 29 October 1898) was an Irish peer and British Army officer.