| | | | EARL OF LINCOLN (eighth creation), 1572 |
| | | | Edward Clinton (1512–1585) 1st Earl of Lincoln | | | | | | William Cavendish (c. 1505–1557) | | Bess of Hardwick (c. 1527–1608) |
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| | | | Henry Clinton (1539–1616) 2nd Earl of Lincoln | | | | | | Charles Cavendish (1553–1617) | | Frances Cavendish (1548–1632) | | Henry Pierrepont (1546–1615) | | Earls & Dukes of Devonshire |
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| | | | | | | | | | | | | | | DUKE OF NEWCASTLE-UPON-TYNE (first creation), 1665 | | | | | | | | | | | EARL OF CLARE (first creation, 1624) |
Thomas Clinton (1568–1619) 3rd Earl of Lincoln | | Edward Clinton (?) | | Henry Clinton (1587–1641) | | William Cavendish (1592–1676) 1st Duke of Newcastle-upon-Tyne | | Robert Pierrepont (1584–1643) 1st Earl of Kingston | | | | | | John Holles (1564–1637) 1st Earl of Clare |
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Theophilus Clinton (1600–1667) 4th Earl of Lincoln | | Francis Clinton (d. c. 1681) | | | | | | | | | | | | William Pierrepont (c. 1607–1678) | | | | | | John Holles (1595–1666) 2nd Earl of Clare | | |
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Edward Clinton Lord Clinton (1624–1657) | | Francis Clinton (1635–1693) 6th Earl of Lincoln | | Norreys Fynes (d. 1693) | | Henry Cavendish (1630–1691) 2nd Duke of Newcastle-upon-Tyne | | Frances Pierrepont (1630–1695) | | Grace Pierrepont (1633–1702) | | Gilbert Holles (1633–1689) 3rd Earl of Clare |
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| | | | | | | | | | | | | | | Newcastle-upon-Tyne dukedom (first creation) extinct, 1691 | | | | | | | | | | | | | |
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| | | | | | | | | | | | | | | | | | | | | DUKE OF NEWCASTLE-UPON-TYNE (second creation), 1694 | | | | | |
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Edward Clinton (d. 1692) 5th Earl of Lincoln | | | | | | | Norreys Fynes (1651–1736) | | Margaret Cavendish (1661–1716) | | John Holles (1662–1711) 4th Earl of Clare Duke of Newcastle-upon-Tyne | | Grace Holles (c. 1668–1700) | | Thomas Pelham, 1st Baron Pelham (1653–1712) |
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| | | | | | | | | | | | | | | | | | Newcastle-upon-Tyne dukedom (second creation) extinct, 1711 Clare earldom extinct, 1711 | | | | | | | | | | |
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| | | | | | | | | | | | | | | | | | | | | | | | | | | | | DUKE OF NEWCASTLE-UPON-TYNE (third creation), 1715 DUKE OF NEWCASTLE-UNDER-LYNE, 1756 |
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| | | | | | | | Kendal Fynes (1692–1740) | | Henry Clinton (1684–1728) 7th Earl of Lincoln | | Lucy Pelham (1695–1736) | | Henry Pelham (1694–1754) | | Thomas Pelham-Holles (1693–1768) Duke of Newcastle-upon-Tyne 1st Duke of Newcastle-under-Lyne |
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| | | | | | | | | | | | | | | | | | | | | | | | | | | | | Dukedom of Newcastle-upon-Tyne (third creation) extinct, 1768 |
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| | | | | | | | | | | | | | | | | | DUKE OF NEWCASTLE-UNDER-LYNE, 1756 (succeeded by special remainder, 1768) | | | | | |
| | | | | | | | Norreys Fynes (1720–1764) | | George Clinton (1718–1730) Lord Fynes 8th Earl of Lincoln | | Henry Pelham-Clinton (1720–1794) 9th Earl of Lincoln 2nd Duke of Newcastle-under-Lyne | | Catherine Pelham (1727–1760) |
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| | | | | | | | Charles Fynes (later Fynes-Clinton) (1748–1827) | | Henry Pelham-Clinton (1750–1778) styled Earl of Lincoln | | Thomas Pelham-Clinton (1752–1795) 3rd Duke of Newcastle-under-Lyne 10th Earl of Lincoln |
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| | | | | | | | Clinton James Fynes-Clinton (later Fiennes-Clinton) (1792–1833) | | | | | | Henry Pelham-Clinton (1785–1851) 4th Duke of Newcastle-under-Lyne 11th Earl of Lincoln |
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| | | | | | | | Henry Fiennes-Clinton (1826–1911) | | | | | | Henry Pelham-Clinton (1811–1864) 5th Duke of Newcastle-under-Lyne 12th Earl of Lincoln | | | | | | Charles Pelham-Clinton (1813–1894) |
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| | | | | | | | Charles Edward Fiennes-Clinton (1855–1888) | | | | | | Henry Pelham-Clinton (1834–1879) 6th Duke of Newcastle-under-Lyne 13th Earl of Lincoln | | | | | | Charles Pelham-Clinton (1857–1911) |
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| | | | | | | | Edward Henry Fiennes-Clinton (1886–1916) | | | | | | Henry Pelham-Clinton (1864–1928) 7th Duke of Newcastle-under-Lyne 14th Earl of Lincoln | | Francis Pelham-Clinton-Hope (1866–1941) 8th Duke of Newcastle-under-Lyne 15th Earl of Lincoln | | Guy Pelham-Clinton (1894–1934) |
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| | | | | | | | Edward Horace Fiennes-Clinton (1913–2001) 18th Earl of Lincoln | | | | | | | | | | Henry Pelham-Clinton-Hope (1907–1988) 9th Duke of Newcastle-under-Lyne 16th Earl of Lincoln | | Edward Pelham-Clinton (1920–1988) 10th Duke of Newcastle-under-Lyne 17th Earl of Lincoln |
| | | | | | | | | | | | | | | | | | | | | | | | | | Newcastle-upon-Tyne dukedom extinct, 1988 |
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| | | | | | | | Robert Edward Fiennes-Clinton (b. 1972) 19th Earl of Lincoln | | William James Fiennes-Clinton (b. 1980) Heir presumptive |
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| | | | | | | | | | | | Jordan Ryder Howson (b. 2004) Heir presumtive's heir apparent |