| | | | | | | | David Cecil c. 1460–c. 1540 |
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| | | | | | | | Richard Cecil c. 1495–1553 |
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| | | | | | | | Baron Burghley, 1571 |
| | | | | | | | William Cecil 1520–1598 1st Baron Burghley | | Mildred Cooke 1526–1589 |
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| | | | Earl of Exeter, 1605 | | | | | | Baron Cecil, 1603 Viscount Cranborne, 1604 Earl of Salisbury (5th creation), 1605 |
| | | | Thomas Cecil 1542–1623 1st Earl of Exeter, 2nd Baron Burghley | | | | | | Robert Cecil 1563–1612 1st Earl of Salisbury, Viscount Cranborne, and Baron Cecil of Essendon |
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| | | | | | | | | | Viscount Wimbledon and Baron Cecil of Putney, 1625 | | | | | |
William Cecil 1566–1600 2nd Earl of Exeter, 3rd Baron Burghley | | Richard Cecil 1570–1633 | | Edward Cecil 1572–1638 1st Viscount Wimbledon and Baron Cecil of Putney | | | | | | | Thomas Howard, 1st Earl of Suffolk 1561–1626 1st Earl of Suffolk |
| | | | | | | | | Barony Cecil of Putney and viscounty Wimbledon extinct, 1638 | | | | | | | | | | |
| | | | David Cecil c. 1600–1643 3rd Earl of Exeter, 4th Baron Burghley | | | | | | William Cecil 1591–1668 2nd Earl of Salisbury, Viscount Cranborne, and Baron Cecil of Essendon | | Catherine c. 1590–1673 |
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| | | | John Cecil 1628–1678 4th Earl of Exeter, 5th Baron Burghley | | | | | | Charles Cecil 1619–1660 styled Viscount Cranborne | | John Manners 1604–1679 8th Earl of Rutland |
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| | | | John Cecil c. 1648–1700 5th Earl of Exeter, 6th Baron Burghley | | | | | | James Cecil 1648–1683 3rd Earl of Salisbury, Viscount Cranborne, and Baron Cecil of Essendon | | Margaret d. c. 1682 |
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| | | | John Cecil 1674–1721 6th Earl of Exeter, 7th Baron Burghley | | | | | | James Cecil 1666–1694 4th Earl of Salisbury, Viscount Cranborne, and Baron Cecil of Essendon | | Thomas Tufton 1644–1729 6th Earl of Thanet |
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John Cecil c. 1700–1722 7th Earl of Exeter, 8th Baron Burghley | | Brownlow Cecil 1701–1754 8th Earl of Exeter, 9th Baron Burghley | | | | | | James Cecil 1691–1728 5th Earl of Salisbury, Viscount Cranborne, and Baron Cecil of Essendon | | Anne 1693–1757 |
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| | | | Brownlow Cecil 1725–1793 9th Earl of Exeter, 10th Baron Burghley | | | | | | James Cecil 1713–1780 6th Earl of Salisbury, Viscount Cranborne, and Baron Cecil of Essendon | | Wills Hill 1718–1793 1st Marquess of Downshire |
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| | | | Marquess of Exeter (2nd creation), 1801 | | | | | | Marquess of Salisbury, 1789 | | | | | |
| | | | Henry Cecil 1725–1793 1st Marquess of Exeter, 10th Earl of Exeter, 11th Baron Burghley | | | | | | James Cecil 1743–1823 1st Marquess of Salisbury, 7th Earl of Salisbury, Viscount Cranborne, and Baron Cecil of Essendon | | Emily 1750–1835 |
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| | | | Brownlow Cecil 1795–1867 2nd Marquess of Exeter, 11th Earl of Exeter, 12th Baron Burghley | | | | | | James Brownlow William Gascoyne-Cecil 1791–1868 2nd Marquess of Salisbury, 8th Earl of Salisbury, Viscount Cranborne, and Baron Cecil of Essendon |
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| | | | William Allen Cecil 1825–1895 3rd Marquess of Exeter, 12th Earl of Exeter, 13th Baron Burghley | | James Emilius William Evelyn Gascoyne-Cecil 1821–1865 styled Viscount Cranborne | | Robert Arthur Talbot Gascoyne-Cecil 1830–1903 3rd Marquess of Salisbury, 9th Earl of Salisbury, Viscount Cranborne, and Baron Cecil of Essendon |
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| | | | | | | | | | | | | | | | | | | Viscount Cecil of Chelwood, 1923 |
Brownlow Henry George Cecil 1849–1898 4th Marquess of Exeter, 13th Earl of Exeter, 14th Baron Burghley | | Mary Rothes Margaret Cecil 1857–1919 2nd Baroness Amherst of Hackney | | William Cecil 1854–1943 | | James Edward Hubert Gascoyne-Cecil 1861–1947 4th Marquess of Salisbury, 10th Earl of Salisbury, Viscount Cranborne, and Baron Cecil of Essendon | | Edgar Algernon Robert Gascoyne-Cecil 1864–1958 1st Viscount Cecil of Chelwood |
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| | | | | | | | | | | | | | | | | | | | Viscounty Cecil of Chelwood extinct, 1958 |
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William Thomas Brownlow Cecil 1876–1956 5th Marquess of Exeter, 14th Earl of Exeter, 15th Baron Burghley | | | | | | William Amherst Cecil 1886–1914 | | Robert Arthur James Gascoyne-Cecil 1893–1972 5th Marquess of Salisbury, 11th Earl of Salisbury, Viscount Cranborne, and Baron Cecil of Essendon |
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David George Brownlow Cecil 1905–1981 6th Marquess of Exeter, 15th Earl of Exeter, 16th Baron Burghley | | William Martin Alleyne Cecil 1909–1988 7th Marquess of Exeter, 16th Earl of Exeter, 17th Baron Burghley | | William Alexander Evering Cecil 1912–1980 3rd Baron Amherst of Hackney | | Robert Edward Peter Gascoyne-Cecil 1916–2003 6th Marquess of Salisbury, 12th Earl of Salisbury, Viscount Cranborne, and Baron Cecil of Essendon |
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| | | | William Michael Anthony Cecil b. 1935 8th Marquess of Exeter, 17th Earl of Exeter, 18th Baron Burghley | | William Hugh Amherst Cecil 1940–2009 4th Baron Amherst of Hackney | | Robert Edward Peter Gascoyne-Cecil b. 1946 7th Marquess of Salisbury, 13th Earl of Salisbury, Viscount Cranborne, and Baron Cecil of Essendon |
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| | | | Anthony Cecil b. 1970 styled Lord Burghley Exeter heir apparent | | Hugh William Amherst Cecil b. 1968 5th Baron Amherst of Hackney 2nd in line to Exeter | | Robert Edward "Ned" William Gascoyne-Cecil b. 1970 styled Viscount Cranborne Salisbury heir apparent | | James Richard Gascoyne-Cecil b. 1976 2nd in line to Salisbury |