William de Bouverie, 1st Earl of Radnor, 2nd Viscount Folkestone, 4th Baronet des Bouverie, was born 26 February 1725 to Jacob des Bouverie, 1st Viscount Folkestone (c1694-1761) and Mary Clarke (c1701-1739) and died 28 January 1776 of unspecified causes. He married Harriet Pleydell (-1750) 18 January 1748 in St George Hanover Square, Greater London, England, United Kingdom. He married Rebecca Alleyne (1725-1764) 5 September 1751 in Ipsden, Oxfordshire, England, United Kingdom. He married Anne Hales (1736-1795) 22 July 1765 in St George Hanover Square, Greater London, England, United Kingdom.
|Jacob Pleydell-Bouverie, 2nd Earl of Radnor (1750-1828)||4 March 1750||27 January 1828||Anne Duncombe (1759-1829)|
|William Henry Bouverie (1752-1806)|
|Bartholomew Bouverie (1753-1835)||29 October 1753||31 May 1835||Mary Wyndham Arundell (1757-1832)|
|Edward Bouverie (1760-1824)|
|Mary Elizabeth Bouverie (c1766-1767)|
|Caroline Bouverie (-c1772)|