| | | | | | | | EARL OF WILTSHIRE (first creation), 1139 | | EARL OF WILTSHIRE (first creation), recreated after 1143 |
| | | | | | | | Hervey le Breton 1st Earl of Wiltshire (c. 1110–1168) | | Patrick of Salisbury Earl of Salisbury 1st Earl of Wiltshire (c. 1122–1168) |
| | | | | | | | Earldom of Wiltshire lapsed, 1141 | | | | | |
Eleanor of Aquitaine (c. 1122–1204) | | King Henry II (1133–1189) | | Ida de Tosny (died after 1181) | | William of Salisbury Earl of Salisbury 2nd Earl of Wiltshire (died 1196) |
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King Richard I (1157–1199) | | King John (1166–1212) | | William Longespée Earl of Salisbury 3rd Earl of Wiltshire jure uxoris (1176–1226) | | Ela of Salisbury Countess of Salisbury 3rd Countess of Wiltshire (1187–1261) |
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| | | | | | | | William III Longespée (d. 1257) | | Maud de Clifford |
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| | | | | | | | Henry de Lacy Earl of Lincoln (c. 1251–1311) | | Margaret Longespée Countess of Salisbury 4th Countess of Wiltshire (d. 1310) |
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| | | | | | | | Thomas Earl of Lancaster (c. 1278–1322) | | Alice de Lacy Countess of Lincoln Countess of Salisbury 5th Countess of Wiltshire (1281–1348) |
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| | | | EARL OF WILTSHIRE (second creation), 1397 |
| | | | William Scrope Earl of Wiltshire (1350–1399) |
| | | | Earldom of Wiltshire forfeit, 1399 |
Humphrey Stafford Duke of Buckingham (1402–1460) | | | | | | | | | | James Butler Earl of Ormond (1393–1452) |
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| | | | | EARL OF WILTSHIRE (fourth creation), 1470 | | EARL OF WILTSHIRE (third creation), 1449 | | | | | |
Humphrey Stafford Earl of Stafford (c. 1425–1458) | | John Stafford 1st Earl of Wiltshire (1427–1473) | | James Butler Earl of Ormond Earl of Wiltshire (1420–1461) | | Thomas Butler Earl of Ormond (1426–1515) |
| | | | | | | | | | Earldom of Wiltshire forfeit, 1461 | | | | | |
Henry Stafford Duke of Buckingham (1455-1483) | | Edward Stafford 2nd Earl of Wiltshire (1470–1499) | | William Boleyn (1451–1505) | | Lady Margaret Butler (c. 1454–1539) | |
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| | | | | Earldom of Wiltshire extinct, 1499 | | | | | | | | |
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EARL OF WILTSHIRE (fifth creation), 1510 | | | | | | EARL OF WILTSHIRE (sixth creation), 1529 | | EARL OF WILTSHIRE (seventh creation), 1550 MARQUESS OF WINCHESTER, 1551 |
Henry Stafford Earl of Wiltshire (c. 1479–1523) | | | | | | Thomas Boleyn Earl of Wiltshire (c. 1477–1539) | | William Paulet 1st Earl of Wiltshire 1st Marquess of Winchester (c. 1483/1485–1572) |
Earldom of Wiltshire extinct, 1523 | | | | | | Earldom of Wiltshire extinct, 1539 | | | | | |
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| | | | King Henry VIII (1491–1547) | | Anne Boleyn (c. 1501–1536) | | John Paulet 2nd Marquess of Winchester (c. 1510–1576) |
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| | | | Queen Elizabeth I (1533–1603) | | | | | | William Paulet 3rd Marquess of Winchester (c. 1532–1598) |
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| | | | | | | | | | | | William Paulet 4th Marquess of Winchester (c. 1560–1628) |
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| | | | William Paulet Earl of Wiltshire (c. 1587/1588–1621) | | John Paulet 5th Marquess of Winchester (c. 1598–1674) | | Lord Henry Paulet (died 1672) |
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| | | | | | | | DUKE OF BOLTON, 1689 | | | | | |
| | | | | | | | Charles Paulet 6th Marquess of Winchester later 1st Duke of Bolton (died 1699) | | Francis Paulet (c. 1645–1695/1696) |
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| | | | | | | | Charles Paulet 2nd Duke of Bolton 7th Marquess of Winchester (1661–1722) | | Norton Paulet (c. 1679–1741) |
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| | | | Charles Powlett 3rd Duke of Bolton 8th Marquess of Winchester (1685–1754) | | Harry Powlett 4th Duke of Bolton 9th Marquess of Winchester (1691–1759) | | | | | |
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| | | | Charles Powlett 5th Duke of Bolton 10th Marquess of Winchester (died 1765) | | Harry Powlett 6th Duke of Bolton 11th Marquess of Winchester (1720–1794) | | George Paulet 12th Marquess of Winchester (1722–1800) |
| | | | | | | | Dukedom of Bolton extinct | | | | | |
| | | | | | | | | | | | Charles Ingoldsby Paulet 13th Marquess of Winchester (1765–1843) | |
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| | | | | | | | John Paulet 14th Marquess of Winchester (1801–1887) | | Lord Charles Paulet (1802–1870) |
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| | | | Augustus John Henry Beaumont Paulet 15th Marquess of Winchester (1858–1899) | | Henry William Montague Paulet 16th Marquess of Winchester (1862–1962) | | 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 17th Marquess of Winchester (1905–1968) | | George Cecil Paulet (1905–1961) |
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| | | | | | | | | | | | Nigel George Paulet 18th Marquess of Winchester (born 1941) |
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| | | | | | | | | | | | Christopher John Hilton Paulet Earl of Wiltshire (born 1969) Heir apparent to the Marquessate |
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| | | | | | | | | | | | Michael John Paulet Lord St John of Basing (born 1999) Heir apparent to the Earldom of Wiltshire |