William George Arthur Ormsby-Gore, 4th Baron Harlech of Harlech, was born 11 April 1885 to George Ralph Charles Ormsby-Gore, 3rd Baron Harlech (1855-1938) and Margaret Ethel Gordon (1858-1950) and died 14 February 1964 of unspecified causes. He married Beatrice Edith Mildred Gascoyne-Cecil (1891-1980) 12 April 1913 .
|Offspring of William George Arthur Ormsby-Gore, 4th Baron Harlech and Beatrice Edith Mildred Gascoyne-Cecil (1891-1980)|
|Mary Hermione Ormsby-Gore (1914-2006)|
|Owen Gerard Cecil Ormsby-Gore (1916-1935)|
|William David Ormsby-Gore, 5th Baron Harlech (1918-1985)|
|Katherine Margaret Alice Ormsby-Gore (1921-2017)|
|John Julian Stafford Ormsby-Gore (1925-2008)|
|Elizabeth Jane Ormsby-Gore (1929-2004)|