Earl of Wiltshire (1st creation), 1139 | | | | | | | | | | Earl of Wiltshire (1st creation recreated), after 1143 Earl of Salisbury (1st creation), 1145 |
Hervey le Breton c. 1110–1168 1st Earl of Wiltshire, Viscount of Léon | | | | | | | | | | Patrick of Salisbury c. 1122–1168 1st Earl of Salisbury and Earl of Wiltshire |
Earldom of Wiltshire (1st creation) lapsed, 1141 | | | | | | | | | | | | | |
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| | | | King Henry II 1133–1189 | | Ida de Tosny (d. after 1181) | | William of Salisbury d. 1196 2nd Earl of Salisbury and Earl of Wiltshire |
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| | | | | | | | William Longespée 1176–1226 3rd Earl of Salisbury and Earl of Wiltshire jure uxoris | | Ela of Salisbury 1187–1261 3rd Countess of Salisbury and Countess of Wiltshire |
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| | | | | | | | | | | | William III Longespée d. 1257 |
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| | | | | | | | | | | | Margaret Longespée d. 1310 4th Countess of Salisbury and Countess of Wiltshire |
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| | | | | | | | | | | | Alice de Lacy 1281–1348 4th Countess of Lincoln, 5th Countess of Salisbury and Countess of Wiltshire suo jure |
| | | | Earl of Wiltshire (2nd creation), 1397 | | | | | | Earldoms of Wiltshire (1st creation) and Salisbury (1st creation) forfeit, 1322 |
| | | | William Scrope 1350–1399 Earl of Wiltshire |
| | | | Earldom of Wiltshire (2nd creation) forfeit, 1399 |
James Butler 1393–1452 Earl of Ormond | | | | | | Humphrey Stafford 1402–1460 Duke of Buckingham, Earl of Stafford |
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Earl of Wiltshire (3rd creation), 1449 | | | | | | | | | | | | Earl of Wiltshire (4th creation), 1470 | |
James Butler 1420–1461 Earl of Ormond, Earl of Wiltshire | | Thomas Butler 1426–1515 Earl of Ormond | | Humphrey Stafford c. 1425–1458 | | John Stafford 1427–1473 1st Earl of Wiltshire |
Earldom of Wiltshire (3rd creation) forfeit, 1461 | | | | | | | | | | | | | | | |
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| | | | Margaret Butler c. 1454–1539 | | Henry Stafford 1455–1483 Duke of Buckingham, Earl of Stafford | | Edward Stafford 1470–1499 2nd Earl of Wiltshire |
| | | | | | | | | | | | | | Earldom of Wiltshire (4th creation) extinct, 1499 |
Baron St John, 1539, Earl of Wiltshire (7th creation), 1550 Marquess of Winchester, 1551 | | Earl of Wiltshire (6th creation), 1529 | | Earl of Wiltshire (5th creation), 1510 |
William Paulet c. 1483/1485–1572 1st Marquess of Winchester and Earl of Wiltshire | | Thomas Boleyn c. 1477–1539 Earl of Ormond, Earl of Wiltshire | | Henry Stafford c. 1479–1523 Earl of Wiltshire |
| | | | | Earldom of Wiltshire (6th creation) extinct, 1539 | | Earldom of Wiltshire (5th creation) extinct, 1523 | |
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John Paulet c. 1510–1576 2nd Marquess of Winchester and Earl of Wiltshire | | Anne Boleyn c. 1501–1536 | | King Henry VIII 1491–1547 | | |
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William Paulet c. 1532–1598 3rd Marquess of Winchester and Earl of Wiltshire | | | | | | Queen Elizabeth I 1533–1603 |
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William Paulet c. 1560–1628 4th Marquess of Winchester and Earl of Wiltshire | | | | | | | | | | |
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William Paulet c. 1587/1588–1621 styled Earl of Wiltshire | | John Paulet c. 1598–1674 5th Marquess of Winchester and Earl of Wiltshire | | Henry Paulet d. 1672 |
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| | | | Duke of Bolton, 1689 | | | | | |
| | | | Charles Paulet d. 1699 1st Duke of Bolton, 6th Marquess of Winchester and Earl of Wiltshire | | Francis Paulet c. 1645–1695/1696 |
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| | | | Charles Paulet 1661–1722 2nd Duke of Bolton, 7th Marquess of Winchester and Earl of Wiltshire | | Norton Paulet c. 1679–1741 |
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Charles Powlett 1685–1754 3rd Duke of Bolton, 8th Marquess of Winchester and Earl of Wiltshire | | Harry Powlett 1691–1759 4th Duke of Bolton, 9th Marquess of Winchester and Earl of Wiltshire | | | | | |
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Charles Powlett d. 1765 5th Duke of Bolton, 10th Marquess of Winchester and Earl of Wiltshire | | Harry Powlett 1720–1794 6th Duke of Bolton, 11th Marquess of Winchester and Earl of Wiltshire | | George Paulet 1722–1800 12th Marquess of Winchester and Earl of Wiltshire |
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| | | | | | | | Charles Ingoldsby Paulet 1765–1843 13th Marquess of Winchester and Earl of Wiltshire | |
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| | | | | | | | John Paulet 1801–1887 14th Marquess of Winchester and Earl of Wiltshire | | Lord Charles Paulet 1802–1870 |
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| | | | Augustus John Henry Beaumont Paulet 1858–1899 15th Marquess of Winchester and Earl of Wiltshire | | Henry William Montague Paulet 1862–1962 16th Marquess of Winchester and Earl of Wiltshire | | Charles William Paulet 1832–1897 |
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| | | | | | | | Charles Standish Paulet 1873–1953 | | Cecil Henry Paulet 1875–1916 |
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| | | | | | | | Richard Charles Paulet 1905–1968 17th Marquess of Winchester and Earl of Wiltshire | | George Cecil Paulet 1905–1961 |
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| | | | | | | | | | | | Nigel George Paulet 1941–2016 18th Marquess of Winchester and Earl of Wiltshire |
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| | | | | | | | | | | | Christopher John Hilton Paulet b. 1969 19th Marquess of Winchester and Earl of Wiltshire |
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| | | | | | | | | | | | Michael John Paulet b. 1999 styled Earl of Wiltshire Heir apparent to the Marquessate |