"John Perceval, 1st Earl of Egmont, PC, FRS (12 July 1683 – 1 May 1748), known as Sir John Perceval, Bt, from 1691 to 1715, as The ...
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Lord Perceval from 1715 to 1722 and as The Viscount Perceval from 1722 to 1733, was an Anglo-Irish politician." - (Wikipedia (en) 12.08.2021)