|  |  |  |  | Robert Fitzharding "Robert the Devout"
 c. 1095–1170
 1st Feudal Baron of Berkeley
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|  |  |  |  | Maurice FitzRobert FitzHarding "Maurice the Make-Peace"
 c. 1120–1190/1191
 2nd Feudal Baron of Berkeley
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| Robert de Berkeley "Robert the Observer or Temporiser"
 c. 1165–1220
 3rd Feudal Baron of Berkeley
 |  | Thomas I de Berkeley "Thomas the Observer or Temporiser"
 c. 1170–1243
 4th Feudal Baron of Berkeley
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|  |  |  |  | Maurice de Berkeley "Maurice the Resolute"
 1218–1281
 5th Feudal Baron of Berkeley
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|  |  |  |  | Baron Berkeley (1st creation by writ), 1295 | 
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|  |  |  |  | Thomas de Berkeley "Thomas the Wise"
 1245–1321
 1st Baron Berkeley,
 6th Feudal Baron of Berkeley
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|  |  |  |  | Maurice de Berkeley "Maurice the Magnanimous"
 1271–1326
 2nd Baron Berkeley,
 7th Feudal Baron of Berkeley
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|  |  |  |  | Thomas de Berkeley "Thomas the Rich"
 c. 1293/1296–1361
 3rd Baron Berkeley,
 8th Feudal Baron of Berkeley
 |  |  |  |  |  | Maurice de Berkeley 1298–1347
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|  |  |  |  | Maurice de Berkeley "Maurice the Valiant"
 1320–1368
 4th Baron Berkeley,
 9th Feudal Baron of Berkeley
 |  |  |  |  |  | Thomas Berkeley 1333–1361
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| Thomas de Berkeley "Thomas the Magnificent"
 1353–1417
 5th Baron Berkeley,
 10th Feudal Baron of Berkeley
 |  | James de Berkeley d. 1405
 |  |  |  |  |  | Maurice Berkeley d. 1400
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| Barony Berkeley (1st creation by writ) extinct, 1417 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
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|  |  |  |  |  | Baron Berkeley (2nd creation by writ), 1421 |  |  |  |  |  |  |  |  |  | 
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| Elizabeth Berkeley, Countess of Warwick 1386–1422
 |  | James Berkeley "James the Just"
 c. 1394–1463
 1st Baron Berkeley,
 11th Feudal Baron of Berkeley
 |  |  |  |  |  | Maurice Berkeley 1401–1464
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|  |  |  |  | Viscount Berkeley, 1481 Earl of Nottingham (4th creation), 1483
 Marquess of Berkeley, 1489
 |  | Barony Berkeley disinherited, 1492 |  |  |  |  |  | 
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|  |  |  |  | William de Berkeley "William the Waste-All"
 1426–1492
 Marquess of Berkeley, Earl of Nottingham, Viscount Berkeley,
 2nd Baron Berkeley,
 12th Feudal Baron of Berkeley
 |  | Maurice Berkeley "Maurice the Lawyer"
 1436–1506
 de jure 3rd Baron Berkeley,
 13th Feudal Baron of Berkeley
 |  | William Berkeley 1433–1501
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|  |  |  |  | Marquessate of Berkeley, Earldom of Nottingham (4th creation), and Viscountcy Berkeley extinct, 1492 |  |  |  |  |  |  |  |  |  |  | 
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|  |  |  |  | Maurice Berkeley "Maurice the Courtier"
 1467–1523
 de jure 4th Baron Berkeley,
 14th Feudal Baron of Berkeley
 |  | Thomas Berkeley "Thomas the Sheepmaster"
 1472–1533
 de jure 5th Baron Berkeley,
 15th Feudal Baron of Berkeley
 |  | Richard Berkeley 1470–1514
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|  |  |  |  |  |  |  |  | Thomas Berkeley "Thomas the Hopeful"
 1505–1534
 de jure 6th Baron Berkeley,
 16th Feudal Baron of Berkeley
 |  | Maurice Berkeley by 1514–1581
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|  |  |  |  |  |  |  |  | Henry Berkeley "Henry the Harmless"
 1534–1613
 de jure 7th Baron Berkeley,
 17th Feudal Baron of Berkeley
 |  | Henry Berkeley d. 1601
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|  |  |  |  |  |  |  |  | Baron Berkeley de facto, 1553 |  |  |  |  |  | 
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|  |  |  |  | Anne Savage c. 1496–1564
 |  | Thomas Berkeley 1575–1611
 |  | Maurice Berkeley d. 1617
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|  |  |  |  |  |  |  |  |  |  |  |  |  | Succeeded to predeceased son's title |  |  |  |  |  | Baron Berkeley of Stratton, 1658 | 
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|  |  |  |  | George Berkeley 1601–1658
 8th Baron Berkeley,
 18th Feudal Baron of Berkeley
 |  |  |  |  |  | Charles Berkeley 1599–1666
 2nd Viscount Fitzhardinge and Baron Berkeley of Rathdowne
 |  |  |  |  |  | John Berkeley 1602–1678
 1st Baron Berkeley of Stratton
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|  |  |  |  | Earl of Berkeley and Viscount Dursley, 1679 |  |  |  |  |  |  | and Baron Berkeley of Rathdowne, 1663 Earl of Falmouth, 1664
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|  |  |  |  | George Berkeley 1627–1698
 1st Earl of Berkeley and Viscount Dursley,
 9th Baron Berkeley,
 19th Feudal Baron of Berkeley
 |  | Maurice Berkeley 1628–1690
 3rd Viscount Fitzhardinge and Baron Berkeley of Rathdowne
 |  | Charles Berkeley 1630–1665
 1st Earl of Falmouth,
 1st Viscount Fitzhardinge and Baron Berkeley of Rathdowne
 |  | John Berkeley 1650–1712
 4th Viscount Fitzhardinge and Baron Berkeley of Rathdowne
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|  |  |  |  | Feudal barony of Berkley abolished, 1660 |  |  |  |  |  | Earldom of Falmouth extinct, 1665 |  | Viscountcy Fitzhardinge extinct, 1712 |  |  |  |  |  | 
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|  |  |  |  | Charles Berkeley 1649–1710
 2nd Earl of Berkeley and Viscount Dursley,
 10th Baron Berkeley
 |  |  |  |  |  | Charles Berkeley 1662–1681
 2nd Baron Berkeley of Stratton
 |  | John Berkeley 1663–1697
 3rd Baron Berkeley of Stratton
 |  | William Berkeley d. 1741
 4th Baron Berkeley of Stratton
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|  |  |  |  | James Berkeley after 1679–1736
 3rd Earl of Berkeley and Viscount Dursley,
 11th Baron Berkeley
 |  |  |  |  |  |  |  |  |  |  |  |  |  | John Berkeley 1697–1773
 5th Baron Berkeley of Stratton
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|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Barony Berkeley of Stratton extinct, 1773 | 
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|  |  |  |  | Augustus Berkeley 1715–1755
 4th Earl of Berkeley and Viscount Dursley,
 12th Baron Berkeley
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|  |  |  |  | Frederick Augustus Berkeley 1745–1810
 5th Earl of Berkeley and Viscount Dursley,
 13th Baron Berkeley
 |  |  |  |  |  |  |  |  |  | George Cranfield Berkeley 1753–1818
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| Baron Segrave, 1831 Earl FitzHardinge, 1841
 |  | Baron FitzHardinge, 1861 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
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| William FitzHardinge Berkeley 1786–1857
 1st Earl FitzHardinge, Baron Segrave
 |  | Maurice Frederick FitzHardinge Berkeley 1788–1867
 1st Baron FitzHardinge
 |  | Thomas Moreton FitzHardinge Berkeley 1796–1882
 de jure 6th Earl of Berkeley and Viscount Dursley,
 14th Baron Berkeley
 |  | Craven FitzHardinge Berkeley 1805–1855
 |  | George Berkeley 1785–1857
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| Earldom FitzHardinge and Barony Segrave extinct, 1857 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
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|  |  |  |  | Francis William FitzHardinge Berkeley 1826–1896
 2nd Baron FitzHardinge
 |  | Charles Paget Fitzhardinge Berkeley 1830–1916
 3rd Baron FitzHardinge
 |  | Louisa Mary Berkeley 1840–1899
 15th Baroness Berkeley
 |  | George Lennox Rawdon Berkeley 1827–1888
 7th Earl of Berkeley and Viscount Dursley
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|  |  |  |  |  |  |  |  | Barony FitzHardinge extinct, 1916 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
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|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Peerage confirmed, 1891 |  | Illegitimate line
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|  |  |  |  |  |  |  |  |  |  |  |  | Eva Mary FitzHardinge Milman 1875–1964
 16th Baroness Berkeley
 |  | Randal Thomas Mowbray Berkeley 1865–1942
 8th Earl of Berkeley and Viscount Dursley
 |  | Captain Hastings George Fitzhardinge Berkeley (1855–1934)
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|  |  |  |  |  |  |  |  |  |  |  |  | Barony Berkeley abeyant, 1964 |  | Earldom of Berkeley dormant, 1942 |  |  |  |  | 
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|  |  |  |  |  |  |  |  | Baron Berkeley abeyance terminated, 1967 |  |  |  |  |  |  |  |  |  |  |  |  |  | 
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|  |  |  |  |  |  |  |  | Mary Lalle Foley-Berkeley 1905–1992
 17th Baroness Berkeley
 |  | Cynthia Ella Foley 1909–1991
 
 |  |  |  |  |  | Sir Lennox Randal Berkeley (1903–1989)
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|  |  |  |  |  |  |  |  |  |  |  |  | Baron Gueterbock, 2000 |  |  |  |  |  | Baron Berkeley of Knighton, 2013 | 
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|  |  |  |  |  |  |  |  |  |  |  |  | Anthony Fitzhardinge Gueterbock b. 1939
 18th Baron Berkeley, Baron Gueterbock
 |  |  |  |  |  | Michael Fitzhardinge Berkeley (b. 1948)
 Baron Berkeley of Knighton
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