George Guy Greville, 4th Earl of Warwick, was born 28 March 1818 in Charles Street, Berkeley Square, Greater London, England, United Kingdom to Henry Richard Greville, 3rd Earl of Warwick (1779-1853) and Sarah Elizabeth Savile (1786-1851) and died 2 December 1893 Warwick Castle, Warwickshire, England, United Kingdom of unspecified causes. He married Anne Charteris (1829-1903) 18 February 1852 in St. George's Church, St George Hanover Square, Greater London, England, United Kingdom.
|Offspring of George Guy Greville, 4th Earl of Warwick and Anne Charteris (1829-1903)|
|Francis Richard Charles Guy Greville, 5th Earl of Warwick (1853-1924)|
|Alwyn Henry Fulke Greville (1854-1929)|
|Louis George Greville (1856-1941)|
|Eva Sarah Louise Greville (1860-1940)|
|Sidney Robert Greville (1866-1927)|