|Earldom of Wilton|
|Creation date||26 June 1801|
|Created by||King George III|
|Peerage||Peerage of the United Kingdom|
|First holder||Thomas Egerton, 1st Baron Grey de Wilton|
|Present holder||Francis Grosvenor, 8th Earl of Wilton|
|Heir apparent||Julian Grosvenor, Viscount Grey de Wilton|
|Subsidiary titles||Viscount Grey de Wilton |
|Motto||VIRTUS NON STEMMA|
(Virtue, not ancestry)
Earl of Wilton, of Wilton Castle in the County of Herefordshire, is a title in the Peerage of the United Kingdom. It was created in 1801 for Thomas Egerton, 1st Baron Grey de Wilton, along with the subsidiary title of Viscount Grey de Wilton, also in the Peerage of the United Kingdom. Both titles were created with remainder to the second and all younger sons successively of his daughter Eleanor, wife of Robert Grosvenor, 1st Marquess of Westminster. 
The 1st Earl of Wilton was a member of the Egerton family and the eldest son of Sir Thomas Grey Egerton, 6th Baronet of Egerton and Oulton. He had earlier resided at Heaton Hall near Manchester and represented Lancashire in Parliament.
He was a descendant of Sir Roland Egerton, 1st Baronet, who had married Bridget Grey, sister and co-heir of Thomas Grey, 15th Baron Grey de Wilton, who was attainted in 1603 and forfeited his title. In 1756, Thomas Egerton succeeded his father as 7th Baronet and in 1784 was created Baron Grey de Wilton, of Wilton Castle in the County Hereford, in the Peerage of Great Britain, with remainder to the heirs male of his body. 
When the 1st Earl of Wilton died in 1814, the Grey de Wilton barony became extinct as he had no male heirs, while the Grey Egerton baronetcy passed to his kinsman John Grey Egerton, who became the 8th Baronet. The titles of Earl of Wilton and Viscount Grey de Wilton passed, according to the special remainder, to the 1st Earl's grandson Thomas Grosvenor, who adopted the surname of Egerton and became the 2nd Earl. He was the second son of Lady Eleanor Egerton (and her husband, the 1st Marquess of Westminster), the younger brother of Richard Grosvenor, 2nd Marquess of Westminster, and the elder brother of Lord Robert Grosvenor, who was created Baron Ebury in 1857. The 2nd Earl notably served as Lord Steward of the Household in 1835, in the Tory administration of Sir Robert Peel.
His eldest son, who became the 3rd Earl of Wilton, had represented Weymouth and Bath in Parliament as a Conservative. In 1875, seven years before the 3rd Earl had succeeded his father, he was raised to the peerage as Baron Grey de Radcliffe, in the County Palatine of Lancaster. However, the 3rd Earl was childless, and on his death in 1885, this barony became extinct. He was succeeded in his other titles by his younger brother, who became the 4th Earl of Wilton.
On the death in 1999 of his great-grandson, the 7th Earl of Wilton, the line of the 2nd Earl failed. He was succeeded according to the special remainder by his kinsman Francis Egerton Grosvenor, 6th Baron Ebury (a great-great-grandson of Robert Grosvenor, 1st Baron Ebury, younger brother of the second Earl), who became the 8th Earl of Wilton.
The heir apparent is the present holder's only son, Julian Francis Martin Grosvenor, Viscount Grey de Wilton (b. 1959).
|BARON GREY DE WILTON, 1784|
EARL OF WILTON, 1801
| Sir Thomas Grey Egerton, 7th Bt.,|
Baron Grey de Wilton,
1st Earl of Wilton
| Robert Grosvenor,|
1st Marquess of Westminster
|Lady Eleanor Egerton|
| Richard Grosvenor,|
2nd Marquess of Westminster
| Thomas Grosvenor (Egerton),|
2nd Earl of Wilton
| Robert Grosvenor,|
1st Baron Ebury
|Dukes of Westminster|
| Arthur Edward Holland Grey Egerton,|
3rd Earl of Wilton
| Seymour John Grey Egerton,|
4th Earl of Wilton
| Robert Wellesley Grosvenor,|
2nd Baron Ebury
|Arthur George Egerton,|
5th Earl of Wilton
|Robert Victor Grosvenor,|
3rd Baron Ebury
|Francis Egerton Grosvenor,|
4th Baron Ebury
|Seymour Edward Frederick Egerton,|
6th Earl of Wilton
| Robert Egerton Grosvenor,|
5th Baron Ebury
|Seymour William Arthur John Egerton,|
7th Earl of Wilton
|Francis Egerton Grosvenor,|
6th Baron Ebury,
8th Earl of Wilton
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Thomas Egerton, 2nd Earl of Wilton, GCH, PC, known as Thomas Grosvenor until 1814, was a British nobleman and Tory politician. He served as Lord Steward of the Household in 1835 in Sir Robert Peel's first government.
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Thomas Grey Egerton, 1st Earl of Wilton, known as Sir Thomas Grey Egerton, Bt from 1766 to 1784, was a British politician who sat in the House of Commons from 1772 to 1784 when he was raised to the peerage as Baron Grey de Wilton.
Robert Grosvenor, 1st Baron Ebury PC, styled Lord Robert Grosvenor from 1831 to 1857, was a British courtier and Whig politician. He served as Comptroller of the Household between 1830 and 1834 and as Treasurer of the Household between 1846 and 1847. In 1857 he was ennobled as Baron Ebury.
Robert Egerton Grosvenor, 5th Baron Ebury, DSO, was a British peer, military officer and racing driver.
Robert Wellesley Grosvenor, 2nd Baron Ebury was a British politician.
Captain The Honourable Norman de l'Aigle Grosvenor, was a British Liberal Party politician.
Seymour John Grey "Sim" Egerton, 4th Earl of Wilton was a peer of the United Kingdom from the Egerton family.
The Egerton family is a British aristocratic family. Over time, several members of the Egerton family were made Dukes, Earls, knights, baronets and peers. Hereditary titles held by the Egerton family include the dukedoms of Bridgewater (1720–1803) and Sutherland, as well as the earldoms of Bridgewater (1617–1829), Wilton (1801–1999) and Egerton (1897–1909). Several other members of the family have also risen to prominence. The Egerton family motto is Virtuti non armis fido.
Francis Egerton Grosvenor, 8th Earl of Wilton is a British aristocrat, financier, and academic. He is the eldest son of Robert Egerton Grosvenor, 5th Baron Ebury, and his first wife, Anne Acland-Troyte. He succeeded his father as 6th Baron Ebury in 1957, and his fourth cousin, Seymour William Arthur John Egerton, 7th Earl of Wilton, to the earldom in 1999. He is also heir presumptive to the title Marquess of Westminster held by his distant cousin the Duke of Westminster.
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