| Shirley Baronet of Staunton Harold in the County of Leicester, 1611 |  | 
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| George Shirley 1559–1622
 1st Baronet
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|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Baronet of Cuckston, 1663 | 
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| Henry Shirley 1589–1633
 2nd Baronet
 |  |  |  |  |  |  |  |  |  | Robert Sidney 1595–1677
 Earl of Leicester
 |  |  |  |  |  | John Marsham 1602–1685
 1st Baronet of Cuckston
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|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Earl of Romney (1st creation), 1694 |  |  |  |  |  | 
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| Charles Shirley (1623–1646)
 3rd Baronet
 |  | Robert Shirley 1629–1656
 4th Baronet
 |  |  |  |  |  | Lady Lucy Sidney 1630–1685
 |  | Henry Sydney 1641–1704
 1st Earl of Romney
 |  | John Marsham 1637–1692
 2nd Baronet of Cuckston
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|  |  |  |  |  | Baron Ferrers of Chartley abeyance terminated, 1677 |  |  |  |  |  |  |  |  |  |  | Baron Townshend, of Lynn Regis in the County of Norfolk, 1661 Viscount Townshend of Raynham in the County of Norfolk, 1682
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| Seymour Shirley 1647–1667
 5th Baronet
 |  | Robert Shirley 1650–1717
 Earl Ferrers, 14th Baron Ferrers of Chartley, 7th Shirley Baronet, of Staunton Harold
 |  |  |  |  |  | Thomas Pelham 1653–1712
 |  | Horatio Townshend 1630–1687
 1st Viscount Townshend and Baron Townshend
 |  | John Marsham 1679–1696
 3rd Baronet of Cuckston
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| Robert Shirley 1668–1669
 6th Baronet
 |  | Robert Shirley 1673–1699
 |  |  |  |  |  | Elizabeth Pelham 1681–1711
 |  | Charles Townshend 1674–1738
 2nd Viscount Townshend and Baron Townshend
 |  | Robert Marsham 1650–1703
 4th Baronet of Cuckston
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|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Baron Romney, 1716 | 
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|  |  |  |  | Elizabeth Compton 1694–1741
 15th Baroness Ferrers of Chartley
 |  | Charles Townshend 1700–1764
 3rd Viscount Townshend and Baron Townshend
 |  |  |  |  |  | Thomas Townshend 1701–1780
 |  | Robert Marsham 1685–1724
 1st Baron Romney, 5th Baronet of Cuckston
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|  |  |  |  | Baron Ferrers of Chartley resolved, 1749 |  | Marquess Townshend, 1787 |  |  |  |  |  | of Chiselhurst in the County of Kent, 1783 Viscount Sydney (2nd creation) of St Leonards, 1789
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|  |  |  |  | Charlotte Townshend d. 1770
 16th Baroness Ferrers of Chartley, Baroness Compton
 |  | George Townshend 1724–1807
 1st Marquess Townshend, 4th Viscount Townshend and Baron Townshend
 |  |  |  |  |  | Thomas Townshend 1733–1800
 1st Viscount Sydney
 |  | Robert Marsham 1712–1794
 2nd Baron Romney
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|  |  |  |  | Earl of Leicester (6th creation), 1784 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Earl of Romney (2nd creation) and Viscount Marsham of The Mote in the County of Kent, 1801 | 
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|  |  |  |  | George Townshend 1753–1811
 2nd Marquess Townshend, 1st Earl of Leicester, 5th Viscount Townshend and Baron Townshend, 17th Baron Ferrers of Chartley, Baron Compton
 |  | John Townshend 1757–1783
 |  |  |  |  |  | John Townshend 1764–1831
 2nd Viscount Sydney
 |  | Charles Marsham 1744–1811
 1st Earl of Romney and Viscount Marsham, 3rd Baron Romney
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|  |  |  |  | George Townshend 1778–1885
 3rd Marquess Townshend, 2nd Earl of Leicester, 6th Viscount Townshend and Baron Townshend, 18th Baron Ferrers of Chartley, Baron Compton
 |  | John Townshend 1798–1863
 4th Marquess Townshend, 7th Viscount Townshend and Baron Townshend
 |  |  |  |  |  |  | Mary Elizabeth Marsham 1794–1847
 |  | Charles Marsham 1777–1845
 2nd Earl of Romney and Viscount Marsham, 4th Baron Romney
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|  |  |  |  | Barony Ferrers of Chartley and Barony Compton in abeyance and Earldom of Leicester (6th creation) extinct, 1885 |  |  |  |  |  |  | Earl Sydney of Scadbury in the County of Kent, 1874 |  |  |  |  |  |  |  |  | 
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|  |  |  |  |  |  |  |  |  |  |  |  |  | John Townshend 1805–1890
 1st Earl Sydney, 3rd Viscount Sydney
 |  | Charles Marsham 1808–1874
 3nd Earl of Romney and Viscount Marsham, 5th Baron Romney
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|  |  |  |  |  |  |  |  |  |  |  |  |  | Earldom of Sydney extinct, 1890 |  |  |  |  |  | 
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|  |  |  |  |  |  |  |  | John Villiers Stuart Townshend 1831–1899
 5th Marquess Townshend, 8th Viscount Townshend and Baron Townshend
 |  |  |  |  |  | Charles Marsham 1841–1905
 4th Earl of Romney and Viscount Marsham, 6th Baron Romney
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|  |  |  |  |  |  |  |  | John James Dudley Stuart Townshend 1866–1921
 6th Marquess Townshend, 9th Viscount Townshend and Baron Townshend
 |  | Charles Marsham 1864–1933
 5th Earl of Romney and Viscount Marsham, 7th Baron Romney
 |  | Reginald Hastings Marsham 1865–1922
 |  | Sydney Edward Marsham 1879–1952
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|  |  |  |  |  |  |  |  | George John Patrick Dominic Townshend 1916–2010
 7th Marquess Townshend, 10th Viscount Townshend and Baron Townshend
 |  | Charles Marsham 1892–1975
 6th Earl of Romney and Viscount Marsham, 8th Baron Romney
 |  | Michael Marsham 1910–2004
 7th Earl of Romney and Viscount Marsham, 9th Baron Romney
 |  | Peter William Marsham 1913–1970
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|  |  |  |  |  |  |  |  | Charles George Townshend b. 1945
 8th Marquess Townshend, 11th Viscount Townshend and Baron Townshend
 |  |  |  |  |  |  |  |  |  | Julian Marsham b. 1948
 8th Earl of Romney and Viscount Marsham, 9th Baron Romney
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|  |  |  |  |  |  |  |  | Thomas Charles Townshend b. 1977
 styled Viscount Raynham
 |  |  |  |  |  |  |  |  |  | David Charles Marsham b. 1977
 styled Viscount Marsham
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|  |  |  |  |  |  |  |  | Heir apparent to the Marquess of Townshend |  |  |  |  |  |  |  |  |  | Heir apparent to the Earl of Romney | 
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|  |  |  |  |  |  |  |  | Rafe Thomas Townshend b. 2014
 |  |  |  |  |  |  |  |  |  | James Julian Marsham b. 2014
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