skos:altLabel | - Oliver FitzWilliam, 1st Earl of Tyrconnell, 2nd Viscount Fitzwilliam
- 2nd Viscount FitzWilliam
- Oliver FitzWilliam
- Oliver FitzWilliam, 2nd Viscount Fitzwilliam
- Oliver Fitzwilliam, later Earl of Tyrconnell
- The 1st Earl of Tyrconnell and 2nd Viscount FitzWilliam
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