|  |  |  |  | Elizabeth Whittle (d. 1696)
 |  |  |  |  |  | Sir Stephen Fox (1627-1716)
 |  |  |  | Christiana Hope | 
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| Charles Cornwallis,
 3rd Baron
 Cornwallis
 (1655–98)
 |  | Elizabeth Fox (c.1655-1681)
 |  | Jane Fox (d. 1721)
 |  | George Compton, 4th Earl of
 Northampton
 (1664–1727)
 |  |  |  |  |  |  |  |  |  |  |  | Thomas Strangways-Horner
 (né Horner)
 |  | Susannah Strangways
 |  | 
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|  |  | Lady Caroline Lennox
 (1723-74)[upper-roman 1]
 |  |  |  |  |  |  |  | Henry Fox, 1st Baron Holland
 (1705-74)[upper-roman 2][upper-roman 1]
 |  |  |  |  | Stephen Fox- Strangways (né)
 Fox), 1st Earl
 of Ilchester
 (1704-76)[upper-roman 3]
 |  |  |  |  |  | Elizabeth Fox- Strangways (née
 Horner), Countess
 of Ilchester
 | 
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|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
|  |  | Elizabeth Fox (née Armistead)
 (1750-1842)
 |  | Charles James Fox
 (1749-1806)
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Lady Harriet Acland (née Fox-)
 Strangways)
 (1749/50–1815)
 |  | John Dyke Acland
 (1746-78)
 | 
|  |  | 
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
|  |  |  |  | 
|  |  | Lady Mary FitzPatrick
 (d. 1778)
 |  | Stephen Fox, 2nd Baron Holland
 (1747–74)
 |  |  | Jane Haines (d. 1830)
 |  | Rev. Hon. Charles Fox-
 Strangways
 (1761-1836)
 |  |  | Maria Fox- Strangways
 (née Digby),
 Countess of
 Ilchester (d. 1842)
 |  | Henry Fox- Strangways, 2nd
 Earl of Ilchester
 (1747-1802)
 |  | Mary Fox- Strangways
 (née O'Grady),
 Countess of
 Ilchester (d. 1790)
 | 
|  |  |  |  |  |  |  |  | 
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
|  |  |  |  |  |  |  |  |  | 
| Elizabeth Fox (née Vassall),
 Baroness Holland
 (1771–1845)
 |  | Henry Vassall- Fox (né Fox),
 3rd Baron Holland
 (1773–1840)
 |  | Hester Eleanora Buller
 (d. 1865)
 |  | Rev. Henry Fox- Strangways
 (1793-1860)
 |  | Amelia Fox- Strangways (née
 Marjoribanks)
 (d. 1886)
 |  | John Fox- Strangways
 (1803–59)
 |  | William Fox- Strangways, 4th
 Earl of Ilchester
 (1795–1865)
 |  | Henry Fox- Strangways, 3rd
 Earl of Ilchester
 (1787–1858)
 | 
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|  |  |  |  | 
|  |  |  | General Charles Richard Fox
 (1796-1873)
 |  | Lady Mary Fox (née FitzClarence)
 (1798-1864)
 |  | Col. Walter Fox- Strangways
 (1832-85)
 |  | Harriet Fox- Strangways
 (née Buller)
 (d. 1903)
 |  | Henry Fox- Strangways, 5th
 Earl of Ilchester
 (1847-1905)
 |  | Lady Mary Fox- Strangways (née
 Dawson),
 Countess of
 Ilchester
 (1852-1935)
 | 
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|  |  |  | 
|  |  |  | Henry Fox, 4th Baron Holland
 (1802-59)[upper-roman 4]
 |  | Lady Mary Coventry (1812-89)
 |  |  |  | Maurice Fox- Strangways
 (1862-1938)
 |  | Louisa Fox- Strangways
 (née Phillips)
 (d. 1940)
 |  | Giles Fox- Strangways, 6th
 Earl of Ilchester
 (1874–1959)
 |  | Lady Helen Fox- Strangways (née
 Vane-Tempest-
 Stewart), Countess
 of Ilchester
 (1876-1956)
 | 
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|  |  |  | 
|  |  | Mary Elizabeth Fox (1806-91)
 |  | Thomas Powys, 3rd Baron Lilford
 (1801-61)
 |  |  |  |  |  | Walter Fox- Strangways,
 8th Earl of
 Ilchester
 (1887-1970)
 |  | Laure Fox- Strangways
 (née Mazaraki),
 Countess of
 Ilchester (d. 1970)
 |  | Henry Fox- Strangways, 7th
 Earl of Ilchester
 (1905–64)[upper-roman 5]
 |  | Helen Fox- Strangways
 (née Ward),
 Countess of
 Ilchester
 (1907-1970)
 | 
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|  |  |  |  |  |  | 
|  |  |  |  |  |  |  |  |  |  |  |  |  |  | Maurice Fox- Strangways, 9th
 Earl of Ilchester
 (1920-2006)
 |  | Raymond Fox- Strangways, 10th
 Earl of Ilchester
 (b. 1921)
 | 
|