| | | | | | | | | | | | Baron Grey de Wilton (1st creation), 1285 |
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| | | | | | | | | | | | Reginald Greyd. 13081st Baron Grey de Wilton |
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| | | | | | | | | | | | John Greyc. 1268–13232nd Baron Grey de Wilton |
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| | | | | | | | | | | | | | | | | Baron Grey of Ruthin, 1324 |
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| | | | | | | | Henry Grey1281–13423rd Baron Grey de Wilton | | | | | | Roger Greyd. 1352/13531st Baron Grey of Ruthin | | King Edward III1312–1377 |
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| | | | | | | | Reynold Grey1311–13704th Baron Grey de Wilton | | | | | | Reynold Greyc. 1322 – c. 13882nd Baron Grey of Ruthin | | John of Gaunt1340–1399 | | Thomas HollandEarl of Kentc. 1314–1360 |
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| | | | | | | | Henry Greyc. 1340–13965th Baron Grey de Wilton | | | | | | Reynold Greyc. 1362 – c. 14403rd Baron Grey of Ruthin | | Elizabeth of Lancasterbef. 1363–1426 | | John HollandEarl of HuntingdonDuke of Exeterc. 1352–1400 |
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| | | | | | | | Richard Greyc. 1393–14426th Baron Grey de Wilton | | | | | | John Greyc. 1387–1439 | | Constance Holland1387–1437 |
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| | | | | | | | Reynold Greyc. 1421–1493/947th Baron Grey de Wilton | | | | | | | | | | Edmund Greyc. 1362 – c. 14401st Earl of Kent, 4th Baron Grey of Ruthin | | See Template:Dukes of Kent family tree |
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| | | | | | | | Edmund Greyd. 14998th Baron Grey de Wilton | | | | | | | | | | George Grey2nd Earl of Kent, 5th Baron Grey of Ruthinc. 1460–1503 |
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| | | | | | | | Edmund Greyc. 1469–15119th Baron Grey de Wilton | | | | | | | | | | Richard Grey3rd Earl of Kent, 6th Baron Grey of Ruthin1481–1524 | | Henry Grey4th Earl of Kent, 7th Baron Grey of Ruthinc. 1495–1562 |
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| | | | George Greyc. 1493–1514/151510th Baron Grey de Wilton | | Thomas Greyc. 1496–151711th Baron Grey de Wilton | | Richard Greyc. 1505–152312th Baron Grey de Wilton | | William Greyc. 1509–156213th Baron Grey de Wilton | | | | | | Henry Grey1520–1545 |
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| | | | | | | | | | | | | | | | Arthur Grey1536–159314th Baron Grey de Wilton | | Reginald Greyd. 15735th Earl of Kent, 8th Baron Grey of Ruthin | | Henry Grey1541–16156th Earl of Kent, 9th Baron Grey of Ruthin | | Charles Greyc. 1545–16237th Earl of Kent, 10th Baron Grey of Ruthyn |
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| | | | | | | | | | | | Bridget Greyd. 1648 | | Thomas Grey1575–161415th Baron Grey de Wilton | | | | | | Susan Grey | | Henry Greyc. 1583–16398th Earl of Kent, 11th Baron Grey of Ruthyn |
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| | | | | | | | | | | | | | | | | Barony Grey de Wilton (1st creation) extinct, 1614 | | | | | | | | | |
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| | | | | | | | | | | | Baronet of Egerton and Oulton, 1617 | | | | | | | | | | | | | |
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| | | | | | | | | | | | Roland Egertond. 16461st Baronet | | | | | | | | | | Charles Longueville1612–164312th Baron Grey de Ruthyn |
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| | | | | | | | | | | | John Egertond. 16742nd Baronet | | | | | | | | | | Susan Longuevilled. 167613th Baroness Grey de Ruthyn suo jure |
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| | | | | | | | | | | | | | | | | | | | | | | | | | Viscount Longueville (1st creation), 1690 |
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| | | | | | | | | | | | John Egertond. 17293rd Baronet | | | | | | Charles Yelverton1657–167914th Baron Grey de Ruthyn | | Henry Yelvertonc. 1664–1703/17041st Viscount Longueville, 15th Baron Grey de Ruthyn |
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| | | | | | | | | | | | | | | | | | | | | | | | | Earl of Sussex (5th creation), 1717 |
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| | | | | | | | | | | | Holland Egertonc. 1689–17304th Baronet | | | | | | | | | | Talbot Yelvertonc. 1664–1703/17041st Earl of Sussex, 2nd Viscount Longueville, 16th Baron Grey de Ruthyn |
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| | | | | | | | | | | | Edward Egertonbef. 1721–1743/17445th Baronet | | Thomas Grey Egertonc. 1721–17566th Baronet | | | | | | George Augustus Yelverton1727–17582nd Earl of Sussex, 3rd Viscount de Longueville, 17th Baron Grey de Ruthyn | | Henry Yelverton1728–17993rd Earl of Sussex, 4th Viscount de Longueville, 18th Baron Grey de Ruthyn |
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| | | | | | | | | | | | | | | | | | | | | | | | | | | | | Earldom of Sussex (5th creation) and Viscountcy de Longueville (1st creation) extinct, 1799 |
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| | | | | | | | | | | | Baron Grosvenor of Eaton in the County of Chester, 1761 Earl Gosvenor and Viscount Belgrave of Belgrave in the County of Chester, 1784 | | Baron Grey de Wilton (2nd creation), 1784 Earl of Wilton and Viscount Grey de Wilton, 1801 | | | | | | | | | | | | | |
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| | | | | | | | | | | | Richard Grosvenor1731–18027th Baronet of Eaton, 1st Earl Grosvenor, Viscount Belgrave, and Baron Grosvenor | | Thomas Egerton1749–18147th Baronet of Egerton and Oulton, 1st Earl of Wilton, Viscount Grey de Wilton, and Baron Grey de Wilton | | | | | | | | | | Barbara Yelvertond. 1781 |
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| | | | | | | | | | | | | | | | | Barony Grey de Wilton (2nd creation) extinct, 1784 | | | | | | | | | | | | | |
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| | | | | | | | | | | | Marquess of Westminster, 1831 | | | | | | | | | | | | | | | | | | |
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| | | | | | | | | | | | Robert Grosvenor1767–18451st Marquess of Westminster, 2nd Earl Grosvenor, Viscount Belgrave, and Baron Grosvenor | | Eleanor Egerton1770–1846 | | | | | | | | | | Henry Yelverton1780–181019th Baron Grey de Ruthyn |
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| | | | | | | | | | | | | | | | | | | | | | | | | | Baron Ebury of Ebury Manor in the County of Middlesex, 1857 | | | | | |
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| | | | | | | | Richard Grosvenor1795–18692nd Marquess of Westminster, 3rd Earl Grosvenor, Viscount Belgrave, and Baron Grosvenor | | | | | | Thomas Grosvenor (Egerton)1799–18822nd Earl of Wilton and Viscount Grey de Wilton | | | | | | Robert Grosvenor1801–18931st Baron Ebury | | Barbara Rawdon-Hastings1810–185820th Baroness Grey de Ruthyn suo jure | | George Augustus Francis Rawdon-Hastings1808–1844Marquess of Hastings |
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| | | | Duke of Westminster, 1874 | | | | | | Baron Stalbridge of Stalbridge in the County of Dorset, 1886 | | Baron Grey de Radcliffe in the County Palatine of Lancaster, 1875 | | | | | | | | | | | | | | | | Barony Grey de Ruthin (Ruthyn) abeyance terminated, 1885 | | | | | |
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| | | | Hugh Lupus Grosvenor1825–18991st Duke of Westminster, 3rd Marquess of Westminster, 4th Earl Grosvenor, Viscount Belgrave, and Baron Grosvenor | | | | | | Richard de Aquila Grosvenor1837–19121st Baron Stalbridge | | Arthur Edward Holland Grey Egerton1833–18853rd Earl of Wilton and Viscount Grey de Wilton, Baron Grey de Radcliffe | | Seymour John Grey Egerton1839–18984th Earl of Wilton and Viscount Grey de Wilton | | Robert Wellesley Grosvenor1834–19182nd Baron Ebury | | | | | | Bertha Lelgarde Clifton1835–188722nd Baroness Grey de Ruthyn suo jure | | Henry Weysford Charles Plantagenet Rawdon-Hastings1842–1868Marquess of Hastings, Earl of Loudoun, 21st Baron Grey de Ruthyn, Baron Botreaux, Baron Hungerford, Baron de Moleyns, Baron Hastings |
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| | | | | | | | | | | | | | | | | | Barony Grey de Radcliffe extinct, 1885 | | | | | | | | | | | | | | | | | | | | | Barony Grey de Ruthyn abeyant, 1868 |
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| Victor Alexander Grosvenor1853–1884styled Earl Grosvenor | | Henry George Grosvenor1861–1914 | | | | | | | Hugh Grosvenor1880–19492nd Baron Stalbridge | | | | | | Arthur George Egerton1863–19155th Earl of Wilton and Viscount Grey de Wilton | | Robert Victor Grosvenor1868–19213rd Baron Ebury | | | | | | | Ella Cicely Mary Clifton1856–1912 | | Rawdon George Grey Clifton1858–191223rd Baron Grey de Ruthyn | | Cecil Talbot Clifton1862–193424th Baron Grey de Ruthyn |
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| | | | | | | | | | | | | | | Barony Stalbridge extinct, 1949 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Barony Grey de Ruthyn abeyant, 1934 |
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| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Barony Grey de Ruthyn abeyance terminated, 1940 |
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| Hugh Richard Arthur Grosvenor1879–19532nd Duke of Westminster, 4th Marquess of Westminster, 5th Earl Grosvenor, Viscount Belgrave, and Baron Grosvenor | | William Grosvenor1894–19633rd Duke of Westminster, 5th Marquess of Westminster, 6th Earl Grosvenor, Viscount Belgrave, and Baron Grosvenor | | Hugh William Grosvenor1884–1914 | | | | | | | | | | Seymour Edward Frederick Egerton1896–19276th Earl of Wilton and Viscount Grey de Wilton | | | | | | Francis Egerton Grosvenor1883–19324th Baron Ebury | | John Lancelot Wykeham Butler-Bowden1883–196325th Baron Grey de Ruthyn |
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| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Barony Grey de Ruthyn abeyant, 1963 |
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| | | | | | | | Gerald Hugh Grosvenor1907–19674th Duke of Westminster, 6th Marquess of Westminster, 7th Earl Grosvenor, Viscount Belgrave, and Baron Grosvenor | | Robert George Grosvenor1910–19795th Duke of Westminster, 7th Marquess of Westminster, 8th Earl Grosvenor, Viscount Belgrave, and Baron Grosvenor | | | | | | Seymour William Arthur John Egerton1921–19997th Earl of Wilton and Viscount Grey de Wilton | | | | | | Robert Grosvenor1914–19575th Baron Ebury |
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| | | | | | | | | | | | | | | | | | | | | | | | | | | | | Francis Grosvenorb. 19348th Earl of Wilton and Viscount Grey de Wilton, 6th Baron Ebury and heir presumptive to the Marquessate of Westminster |
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| | | | | | | | | | | | Gerald Cavendish Grosvenor1951–20166th Duke of Westminster, 8th Marquess of Westminster, 9th Earl Grosvenor, Viscount Belgrave, and Baron Grosvenor | | | | | | | | | | | | | | Julian Grosvenorb. 1959styled Viscount Grey de Wilton and heir apparent to the Earldom of Wilton |
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| | | | | | | | | | | | Hugh Grosvenorb. 19917th Duke of Westminster, 9th Marquess of Westminster, 10th Earl Grosvenor, Viscount Belgrave, and Baron Grosvenor | | | | | | | | | | | | | | | | |
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