Complex sentence: William Pleydell-Bouverie, 3rd Earl of Radnor (11 May 1779--9 April 1869), styled Viscount Folkestone until 1828, was the son of Jacob Pleydell-Bouverie, 2nd Earl of Radnor and Hon. Anne Duncombe.
Split into simpler sentences: William Pleydell-Bouverie, 3rd Earl of Radnor was born on 11 May 1779 and died on 9 April 1869. He was the son of Jacob Pleydell-Bouverie, 2nd Earl of Radnor and Hon. Anne Duncombe.