| | | | | | | | Lord Scott of Buccleuch, 1606 |
| | | | | | | | Walter Scott c. 1565–1611 1st Lord Scott of Buccleuch |
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| | | | | | | | Earl of Buccleuch and Lord Scott of Whitchester and Eskdaill, 1619 | | Viscount Drumlanrig and Lord Douglas of Hawick and Tibbers, 1628 Earl of Queensberry, 1633 |
| | | | | | | | Walter Scott c. 1606–1633 1st Earl of Buccleuch | | William Douglas c. 1582 – c. 1639–1640 1st Earl of Queensberry |
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King Charles II 1630–1685 | | | | | | Francis Scott 1626–1651 2nd Earl of Buccleuch | | James Douglas d. 1671 2nd Earl of Queensberry | | | | | | William Douglas d. 1673 |
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| Duke of Monmouth and Earl of Doncaster, Duke of Buccleuch (1st creation) and Earl of Dalkeith, 1663 | | | | | | | Duke of Buccleuch (2nd creation), 1663 | | Marquess of Queensberry and Earl of Drumlanrig and Sanquhar, 1682 Marquess of Dumfriesshire, 1683 Duke of Queensberry, 1684 | | | | | | | Baronet Douglas of Kelhead, 1668 |
James Scott 1649–1685 Duke of Monmouth and Earl of Doncaster, Duke of Buccleuch, etc. | | Anne Scott 1651–1732 1st Duchess of Buccleuch, 4th Countess of Buccleuch | | Mary Scott 1647–1661 3rd Countess of Buccleuch | | William Douglas 1637–1695 1st Duke of Queensberry, 1st Marquess of Queensberry, etc., 3rd Earl of Queensberry | | Lady Catherine Douglas | | James Douglas 1639–1708 1st Baronet of Kelhead |
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| Dukedoms of Monmouth and Buccleuch (1st creation) and earldoms of Buccleuch and Doncaster forfeit, 1663 | | | | | | | | | | | | | | | | | | | | | | | | | |
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| | | | | | | | | | | | | | Duke of Dover and Marquess of Beverley, 1708 | | Earl of March, 1697 | | | | | |
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James Scott 1674–1705 styled Earl of Dalkeith | | | | | | | | | | James Douglas 1662–1711 2nd Duke of Queensberry, 1st Duke of Dover, etc., 2nd Marquess of Queensberry, etc. | | William Douglas d. 1705 Earl of March | | William Douglas d. 1733 2nd Baronet of Kelhead |
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| Earl of Doncaster restored, 1743 | | | | | | | | | | | | Earl of Solway, 1706 | | | | | | | | | | |
Francis Scott 1695–1751 2nd Duke of Buccleuch, etc. 2nd Earl of Doncaster | | Jane Douglas 1701–1729 | | James Douglas 1697–1715 3rd Marquess of Queensberry, etc. | | Charles Douglas 1698–1778 3rd Duke of Queensberry, 2nd Duke of Dover, etc., 4th Marquess of Queensberry, etc., Earl of Solway | | William Douglas 1696–1731 Earl of March | | John Douglas c. 1708–1778 3rd Baronet of Kelhead |
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| | | | | | | | | Excluded from succession to the dukedoms of Queensberry and Dover[a] | | Dukedom of Dover, marquessate of Beverley, and earldom of Solway extinct, 1778 | | | | | | | | | | |
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Francis Scott 1721–1750 styled Earl of Dalkeith | | | | | | Henry Douglas 1722–1754 styled Earl of Drumlanrig | | Charles Douglas 1726–1756 styled Earl of Drumlanrig | | William Douglas 1724–1810 4th Duke of Queensberry, 5th Marquess of Queensberry, etc., Earl of March | | | | | |
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Henry Scott 1746–1812 5th Duke of Queensberry 3rd Duke of Buccleuch, etc. | | | | | | | | | | | | | | | | | | William Douglas c. 1730–1783 4th Baronet of Kelhead |
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George Scott 1768 styled Earl of Dalkeith | | Charles William Henry Montagu-Scott 1772–1819 6th Duke of Queensberry 4th Duke of Buccleuch, etc. | | | | | | | | | | Charles Douglas 1777–1837 6th Marquess of Queensberry, etc. | | John Douglas 1779–1856 7th Marquess of Queensberry, etc. |
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George Henry Scott 1798–1808 Lord Scott of Whitchester | | Walter Francis Montagu Douglas Scott 1806–1884 7th Duke of Queensberry 5th Duke of Buccleuch, etc. | | | | | | | | | | | | | | Archibald William Douglas 1818–1858 8th Marquess of Queensberry, etc. |
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| | | | | | | | | Baron Montagu of Beaulieu (UK), 1885 | | | | | | | | | | | | | |
| | | | William Henry Walter Montagu Douglas Scott 1831–1914 8th Duke of Queensberry 6th Duke of Buccleuch, etc. | | Henry John Montagu-Scott 1832–1905 1st Baron Montagu of Beaulieu | | | | | | | | | | John Sholto Douglas 1844–1900 9th Marquess of Queensberry, etc. |
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| | | | | | | | | | | | | | | | | | | Baron Kelhead (UK), 1893 | | | | | |
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Walter Henry Montagu Douglas Scott 1861–1886 styled Earl of Dalkeith | | John Charles Montagu Douglas Scott 1864–1935 9th Duke of Queensberry 7th Duke of Buccleuch, etc. | | John Walter Edward Douglas-Scott-Montagu 1866–1929 2nd Baron Montagu of Beaulieu | | | | | | Francis Archibald Douglas 1867–1894 styled Viscount Drumlanrig, Baron Kelhead | | Percy Sholto Douglas 1868–1920 10th Marquess of Queensberry, etc. |
| | | | | | | | | | | | | | | | | | Barony Kelhead extinct, 1894 | | | | | |
| | | | Walter John Montagu Douglas Scott 1894–1973 10th Duke of Queensberry 8th Duke of Buccleuch, etc. | | | | | | | | | | | | | | | Francis Archibald Kelhead Douglas 1898–1954 11th Marquess of Queensberry, etc. |
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| | | | Walter Francis John Montagu Douglas Scott 1923–2007 11th Duke of Queensberry 9th Duke of Buccleuch, etc. | | Edward John Barrington Douglas-Scott-Montagu 1926–2015 3rd Baron Montagu of Beaulieu | | | | | | | | | | David Harrington Angus Douglas b. 1929 12th Marquess of Queensberry, etc. |
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| | | | Richard Walter John Montagu Douglas Scott b. 1954 12th Duke of Queensberry 10th Duke of Buccleuch, etc. | | Ralph Douglas-Scott-Montagu b. 1961 4th Baron Montagu of Beaulieu | | Jonathan Deane Montagu-Scott b. 11 October 1975 | | Sholto Francis Guy Douglas b. 1967 styled Viscount Drumlanrig | | Lord Torquil Oberon Tobias Douglas b. 1978 |
| | | | | | | | | | | | | Heir presumptive to the Barony Montagu of Beaulieu |
| | | | Walter John Francis Montagu Douglas Scott b. 1984 styled Earl of Dalkeith |
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| | | | Willoughby Ralph Montagu Douglas Scott b. 2016 Lord Eskdaill |