| | | | | | | | | | | | Edward Loftus |
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| | | | | | | | | | | | Robert Loftus | | Adam Loftus c. 1533–1605 |
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| | | | | | | | | | | | Viscount Loftus (1st creation), 1622 | | | | | |
| | | | | | | | | | | | Adam Loftus c. 1568–1643 1st Viscount Loftus | | Dudley Loftus 1561–1616 |
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| | | | | | | | | | | | Arthur Loftus c. 1598–1680 2nd Viscount Loftus | | Adam Loftus | | Nicholas Loftus 1592–1666 |
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| | | | | | | | | | | | | | | | | Arthur Loftus d. 1665 | | | | | |
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| | | | | | | | | | | | | | | | | Viscount Lisburne (1st creation) and Baron of Rathfarnham, 1686 | | | | | |
| | | | | | | | | | | | Edward Loftus 1644–1725 3rd Viscount Loftus | | Adam Loftus 1647–1691 Viscount Lisburne | | Henry Loftus 1636–1716 |
| | | | | | | | | | | | Viscountcy Loftus (1st creation) extinct, 1725 | | Viscountcy Lisburne (1st creation) extinct, 1691 | | | | | |
| | | | | | | | | | | | | | | | | | | | Baron Loftus of Loftus Hall (1st creation), 1751 Viscount Loftus (2nd creation), 1756 |
| | | | Charles Tottenham 1685–1758 | | | | | | | | | | | | | | Nicholas Loftus c. 1687–1763 1st Viscount Loftus, etc. |
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| | | | | | | | | Baronet of Tottenham Green, 1780 | | | | | | | Earl of Ely (1st creation), 1766 | | Earl of Ely (2nd creation), 1771 | | | | | |
| | | | Charles Tottenham 1716–1795 | | John Tottenham 1714–1787 1st Baronet of Tottenham Green | | Elizabeth Loftus d. 1747 | | Nicholas Hume-Loftus 1708–1766 1st Earl of Ely, 2nd Viscount Loftus, etc. | | Henry Loftus 1709–1783 Earl of Ely, 4th Viscount Loftus, etc. | | | | | |
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| | | | | | | | | | | | | | | | | | | | | | | Earldom of Ely, Viscountcy and Barony Loftus extinct, 1783 | | | | | |
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| | | | | | | | Baron Loftus of Loftus Hall (2nd creation), 1785 Viscount Loftus (3rd creation), 1789 Earl of Ely (3rd creation), 1794 Marquess of Ely, 1800 Baron Loftus of Long Loftus, 1801 | | | | | | | | | | | | | | | Baronet of Mount Loftus, 1768 |
| | | | | | | | Charles Loftus 1738–1806 1st Marquess of Ely, etc., 2nd Baronet of Tottenham Green | | | | | | Nicholas Hume-Loftus 1738–1769 2nd Earl of Ely, 3rd Viscount Loftus, etc. | | | | | | Edward Loftus c. 1742–1818 1st Baronet of Mount Loftus |
| | | | | | | | | | | | | | | | | | Earldom of Ely (1st creation) extinct, 1769; Viscountcy and Barony passed to uncle, Henry | | | | | | | | | | |
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| | | | | | | | John Loftus 1770–1845 2nd Marquess of Ely, etc., 3rd Baronet of Tottenham Green | | Robert Ponsonby Tottenham 1773–1850 | | | | | | Nicholas Loftus 1763–1832 2nd Baronet of Mount Loftus | | Francis Hamilton Loftus 1778–1864 3rd Baronet of Mount Loftus |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Baronetcy of Mount Loftus extinct, 1864 |
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John Henry Loftus 1814–1857 3rd Marquess of Ely, etc., 4th Baronet of Tottenham Green | | Adam Loftus 1816–1866 | | Augustus Loftus 1817–1904 | | Charles John Tottenham 1808–1878 | | George Tottenham 1825–1911 |
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John Henry Wellington Graham Loftus 1849–1889 4th Marquess of Ely, etc., 5th Baronet of Tottenham Green | | John Henry Loftus 1851–1925 5th Marquess of Ely, etc., 6th Baronet of Tottenham Green | | George Herbert Loftus 1854–1935 6th Marquess of Ely, etc., 7th Baronet of Tottenham Green | | Charles Robert Worsley Tottenham 1845–1923 |
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| | | | | | | | | | | | | George Leonard Tottenham 1879–1928 |
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| | | | | | | | George Henry Wellington Loftus 1903–1969 7th Marquess of Ely, etc., 8th Baronet of Tottenham Green | | Charles John Tottenham 1913–2006 8th Marquess of Ely, etc., 9th Baronet of Tottenham Green |
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| | | | | | | | | | | | (Charles) John Tottenham b. 1943 9th Marquess of Ely, etc., 10th Baronet of Tottenham Green | | Timothy Craig Tottenham b. 1948 |
| | | | | | | | | | | | | | | | Heir presumptive to the marquessate of Ely |