| | | | | | | | Eden baronets, of West Auckland, 1672 |
| | | | | | | | Robert Eden c. 1644–1720 1st Baronet of West Auckland | |
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| | | | | | | | John Eden 1677–1728 2nd Baronet of West Auckland | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | Baron Henley, of Grainge, 1760 Earl of Northington, 1764 |
| | | | | | | | Robert Eden 1717–1755 3rd Baronet of West Auckland | | | | | | | | | | | | | | | | | | Robert Henley 1708–1772 1st Earl of Northington, etc. |
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| | | | | Eden baronets of Maryland, 1776 | | | | | | | | | | Baron Auckland (Ire), 1789 Baron Auckland (GB), 1793 | | | | | | Baron Henley, of Chardstock (2nd creation) 1799 | | | | | | | | | | |
John Eden 1740–1812 4th Baronet of West Auckland | | Robert Eden 1741–1784 1st Baronet of Maryland | | | | | | | | | | William Eden 1744–1814 1st Baron Auckland | | | | | | Morton Eden 1752–1830 1st Baron Henley | | Elizabeth Henley d. 1821 | | Robert Henley 1747–1786 2nd Earl of Northington, etc. |
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| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Earldom of Northington and Barony Henley (1st creations) extinct, 1786 |
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Robert Johnson-Eden 1774–1844 5th Baronet of West Auckland | | Frederick Morton Eden 1766–1809 2nd Baronet of Maryland | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | Earl of Auckland and Baron Eden, 1839 | | | | | | | | | | | | | | | | | | | | | |
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Frederick Eden c. 1794–1814 3rd Baronet of Maryland | | William Eden 1803–1873 6th Baronet of West Auckland, 4th Baronet of Maryland | | also: Bishop Robert Eden 1804–1886 Lt. Gen. George Morton Eden 1806–1862 Adm. Charles Eden 1808–1878 | | George Eden 1784–1849 1st Earl of Auckland, etc., 2nd Baron Auckland | | also: Eleanor Agnes Eden 1777–1851 William Eden 1782–1810 Henry Eden 1786–1794 Emily Eden 1797–1869 | | Robert John Eden 1799–1870 3rd Baron Auckland | | Frederick Eden 1784–1823 | | Robert Eden 1789–1841 2nd Baron Henley |
| | | | | | | | | | | | | Eden barony and earldom extinct, 1849 | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Baron Northington of Watford in the County of Northampton, 1885 (2nd creation) |
| | | | | | | | | | | | | | | | | | | | | William George Eden 1829–1890 4th Baron Auckland | | | | | | Anthony Henley Henley 1825–1898 3rd Baron Henley, 1st Baron Northington |
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| | | | William Morton Eden 1849–1915 7th Baronet of West Auckland, 5th Baronet of Maryland | | | | | | Edith Eden | | William Morton Eden 1859–1917 5th Baron Auckland | | George Eden 1861–1924 | | Frederick Henley 1849–1923 4th Baron Henley, 2nd Baron Northington | | Anthony Earnest Henley 1858–1925 5th Baron Henley, 3rd Baron Northington | | Francis Robert Eden 1877–1962 6th Baron Henley, 4th Baron Northington |
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| | | | | | | | | Earl of Avon and Viscount Eden, 1961 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | Timothy Calvert Eden 1893–1963 8th Baronet of West Auckland, 6th Baronet of Maryland | | Robert Anthony Eden 1897–1977 1st Earl of Avon, etc. | | Lt. William Eden 1892–1915 | | Frederick Colvin George Eden 1895–1941 6th Baron Auckland | | Geoffrey Morton Eden 1891–1955 7th Baron Auckland | | Terence Eden 1892–1957 8th Baron Auckland | | | | | | Michael Francis Eden 1914–1977 7th Baron Henley, 5th Baron Northington |
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| | | | Baron Eden of Winton, 1983 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | | | John Benedict Eden 1925–2020 9th Baronet of West Auckland, 7th Baronet of Maryland | | Nicholas Eden 1930–1985 2nd Earl of Avon, etc. | | | | | | | | | | Ian George Eden 1926–1997 9th Baron Auckland | | Ronald Eden 1931–2006 | | | | | | | | | |
| | | | Barony Eden extinct, 1985 | | Earldom of Avon and Viscounty Eden extinct, 1985 | | | | | | | | | | | | | | | | | | | | | | | | | | | |
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| | | | Robert Frederick Calvert Eden b. 1964 10th Baronet of West Auckland, 8th Baronet of Maryland | | | | | | | | | | | | | | Robert Ian Burnard Eden b. 1962 10th Baron Auckland | | Henry Vane Eden b. 1958 | | | | | | Oliver Michael Robert Eden b. 1953 8th Baron Henley, 6th Baron Northington |
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| | | | | | | | | | | | | | | | | | | | Harry Eden 1989–1989 | | Oliver Eden b. 1990 | | | | | | John Michael Oliver Eden b. 1988 |