|  |  |  |  | John de Forbes | 
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|  |  |  |  | Lord Forbes, c. 1444 |  |  |  |  | 
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|  |  |  |  | Alexander Forbes (c. 1380–1448)
 1st Lord Forbesc. 1444–1448
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|  |  |  |  | James Forbes (d. 1462)
 2nd Lord Forbes  1448–c. 1461
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|  |  |  |  | William Forbes (d. 1483)
 3rd Lord Forbesc. 1461–by 1488
 |  |  |  |  |  |  |  |  |  |  |  |  |  | Duncan Forbes |  |  |  |  |  |  |  |  |  |  |  |  |  | Patrick Forbes | 
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| Alexander Forbes (d. c. 1491)
 4th Lord Forbes by 1488–c. 1491
 |  | Arthur Forbes (d. c. 1496)
 5th Lord Forbesc. 1491–c. 1496
 |  | John Forbes (d. 1547)
 6th Lord Forbesc. 1496–1547
 |  |  |  |  |  |  |  |  |  | Forbes, later Stuart-Forbes, of Monymusk |  |  |  |  |  |  |  |  |  |  |  |  |  | Forbes, of Castle Forbes | 
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|  |  |  |  |  |  |  |  | William Forbes (1513–1593)
 7th Lord Forbes 1547–1593
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|  |  |  |  |  |  |  |  | John Forbes (1542–1606)
 First called "Master of Forbes", then 8th Lord Forbes 1593–1606
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | William Forbes of Corse Castle (d. 1627)
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|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Forbes baronets, of Castle Forbes, 1628 | 
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| William Forbes (1563–1592)
 |  | John Forbes (1570–1606)
 "(9th) Lord Forbes" 1606–1606
 His brief lordship was disputed and retroactively discounted. [a]  [7]
 |  | Arthur Forbes (1581–1641)
 9th Lord Forbes 1606–after 1634
 |  | John Forbes 8th of Pitsligo (d. 1625)
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | William of Craigievar |  |  |  |  |  | Arthur Forbes d. 1632
 1st Baronet of Castle Forbes
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|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Lord Forbes of Pitsligo, 1633 |  |  |  |  |  |  |  |  |  | Forbes baronets, of Craigievar Castle, in the County of Aberdeen, 1630 |  |  |  |  |  | Viscount Granard and Baron Clanehugh, 1675 Earl of Granard, 1684
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|  |  |  |  |  |  |  |  | Alexander Forbes (1600–1672)
 10th Lord Forbes after 1634–1672
 |  | Anne |  |  |  |  |  | Alexander Forbes (d. 1636)
 1st Lord Forbes of Pitsligo 1633–1636
 |  |  |  |  |  |  |  |  |  | William Forbes, 1st Baronet d. 1648
 1st Baronet of Craigievar and Fintray 1630–1648
 |  |  |  |  |  | Arthur Forbes 1623–1695
 1st Earl of Granard, 1st Viscount Granard, 1st Baron Clanehugh, 2nd Baronet of Castle Forbes
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|  |  |  |  | William Forbes (d. 1697)
 11th Lord Forbes after 1672–1697
 |  |  |  |  |  | John Forbes of Moneymusk (d. c. 1713)
 3rd Baronet of Monymusk
 |  |  |  |  |  | Alexander Forbes (d. 1690)
 2nd Lord Forbes of Pitsligo 1636–1690
 |  |  |  |  |  | Alexander Forbes of Foveran (d. 1697) |  | John Forbes, 2nd Baronet ("Red Sir John") (1636–1703)
 2nd Baronet of Craigievar and Fintray 1648–1703
 |  |  |  |  |  | Arthur Forbes (c. 1656–1734)
 2nd Earl of Granard, 2nd Viscount Granard, 2nd Baron Clanehugh, 3rd Baronet of Castle Forbes
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| William Forbes (1656–1716)
 12th Lord Forbes 1697–1716
 |  |  |  |  |  |  |  |  |  |  | William Forbes of Monymusk 4th Baronet of Monymusk
 |  | John Forbes (b. 1680)
 |  | Alexander Forbes (c. 1655–1690)
 3rd Lord Forbes of Pitsligo 1690–1690
 |  | Sir Samuel Forbes, 1st Baronet (1653–1717)
 1st Baronet of Foveran
 |  | John Forbes, of Knaperna |  | William Forbes, 3rd Baronet (1660–c. 1730)
 3rd Baronet of Craigievar and Fintray 1703–c. 1730
 |  |  |  |  |  | George Forbes (1685–1765)
 3rd Earl of Granard, 3rd Viscount Granard, 3rd Baron Clanehugh, 4th Baronet of Castle Forbes
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| William Forbes (d. 1730)
 13th Lord Forbes 1716–1730
 |  | James Forbes (1689–1761)
 15th Lord Forbes 1734–1761
 |  | Mary Forbes |  | John Forbes (d. 1715)
 |  |  | Alexander Forbes (1678–1762)
 4th Lord Forbes of Pitsligo 1691–1748
 |  | William Forbes |  | Sir Alexander Forbes, 2nd Baronet (d. before 1755)
 2nd Baronet of Foveran
 |  | Samuel Forbes, of Knaperna |  | Sir Arthur Forbes, 4th Baronet (1709–1773)
 4th Baronet of Craigievar and Fintray c. 1730–1773
 |  |  |  |  |  | George Forbes 1710–1769
 4th Earl of Granard, 4th Viscount Granard, 4th Baron Clanehugh, 5th Baronet of Castle Forbes
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|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Lordship Forbes of Pitsligo attainted, 1748 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
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| Francis Forbes (1721–1734)
 14th Lord Forbes 1730–1734
 |  | James Forbes (c. 1725–1804)
 16th Lord Forbes 1761–1804
 |  | William Forbes (d. 1743)
 5th Baronet of Edinburgh 1720–1743
 |  | Christian Forbes (1705–1789)
 |  |  |  |  |  | Forbes Baronets of Newe in the County of Aberdeen Sir Charles Forbes, 1st Baronet (1774–1849)
 1st Baronet of Newe 1823–1849
 |  |  |  |  |  | Sir John Forbes, 3rd Baronet (d. c. 1760)
 3rd Baronet of Knaperna
 |  |  |  |  |  |  |  |  |  |  | George Forbes (1740–1780)
 5th Earl of Granard, 5th Viscount Granard, 5th Baron Clanehugh, 6th Baronet of Castle Forbes
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|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Baronetcy of Foveran/Knaperna dormant, c. 1760 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
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|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Baron Granard (UK), 1806 | 
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|  |  |  |  | James Ochoncar Forbes (1765–1843)
 17th Lord Forbes 1804–1843
 |  |  |  |  |  | William Forbes (1739–1806)
 6th Baronet of Edinburgh, and later Pitsligo 1743–1806
 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | William Forbes (1755–1816)
 5th Baronet of Craigievar and Fintray 1773–1816
 |  |  |  |  |  | George Forbes (1760–1837)
 6th Earl of Granard, 6th Viscount Granard, 6th Baron Clanehugh, 1st Baron Granard, 7th Baronet of Castle Forbes
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|  |  |  |  | Walter Gammell Forbes (1798–1868)
 18th Lord Forbes 1843–1868
 |  | Charlotte Elizabeth |  |  | William Forbes (1773–1828)
 7th Baronet of Pitsligo 1806–1828
 [m. Williamina, daughter of Sir John Stuart/Belshes/Belshes-Wishart (3rd Baronet (S. 1707) of Fettercairn co. Kincardine]
 |  |  |  |  |  |  |  |  |  |  |  |  |  | Arthur Forbes, 6th Baronet (1784–1823)
 6th Baronet of Craigievar and Fintray 1816–1823
 |  |  |  |  |  |  |  | John Forbes, 7th Baronet (1785–1846)
 7th Baronet of Craigevar and Fintray 1823–1846
 |  | George Forbes (1785–1836)
 styled Viscount Forbes
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|  |  |  |  |  |  |  |  |  |  |  |  |  | John Stuart Hepburn Forbes (1804–1866)
 8th Baronet of Fettercairn and Pitsligo and later of Invermay and Balmanno 1828–1866
 [Inherited Invermay and Balmanno as heir and cousin of Alexander Hepburn-Murray-Belshes (d. 1864)]
 |  | Charles Hay Forbes (d. 1859)
 |  |  |  |  |  |  |  |  |  | William Forbes-Sempill (1836–1905)
 17th Lord Sempill 1884–1905 and 8th Baronet of Craigievar and Fintray 1846–1905
 (married Carlone Louisa, daughter of Charles Forbes, 3rd Baronet of Newe)
 |  |  |  |  |  | James Ochoncar Forbes (1837–1900)
 |  | George Arthur Hastings Forbes (1833–1889)
 7th Earl of Granard, 7th Viscount Granard, 7th Baron Clanehugh, 2nd Baron Granard, 8th Baronet of Castle Forbes
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| Horace Courtenay Gammell Forbes (1829–1914)
 19th Lord Forbes 1868–1914
 |  | Atholl Monson Forbes (1841–1916)
 20th Lord Forbes 1914–1916
 |  |  |  |  |  |  |  |  |  | William Forbes (1835–1906)
 9th Baronet of Fettercairn, Pitsligo, Invermay, and Balmanno 1866–1906
 |  |  |  |  |  | John Forbes-Sempill (1863–1934)
 18th Lord Sempill and 9th Baronet of Craigievar and Fintray 1905–1934
 |  | Arthur Lionel Ochoncar Forbes-Sempill (1877–1962)
 |  |  |  |  |  | James Ochoncar Forbes (1867–1945)
 |  | Bernard Arthur William Patrick Hastings Forbes (1874–1948)
 8th Earl of Granard, 8th Viscount Granard, 8th Baron Clanehugh, 3rd Baron Granard, 9th Baronet of Castle Forbes
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|  |  |  |  | Atholl Laurence Cunyngham (1882–1953)
 21st Lord Forbes 1916–1953
 |  |  |  |  |  |  |  |  |  |  |  |  |  | William Francis Forbes-Sempill (1893–1965)
 19th Lord Sempill and 10th Baronet of Craigievar and Fintray 1934–1965
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|  |  |  |  | Nigel Ivan Forbes (1918–2013)
 22nd Lord Forbes 1953–2013
 |  |  |  |  |  |  |  |  |  |  |  |  |  | Ann Forbes-Sempill (1920–1995)
 20th Lady Sempill
 |  | Ewan Forbes (1912–1991)
 11th Baronet of Craigievar and Fintray 1965–1991
 |  |  |  |  |  |  | Patrick Walter Forbes (1914–1979)
 |  | Arthur Patrick Hastings Forbes (1915–1992)
 9th Earl of Granard, 9th Viscount Granard, 9th Baron Clanehugh, 4th Baron Granard, 10th Baronet of Castle Forbes
 |  | John Forbes (1920–1982)
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|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | John Alexander Cumnock Forbes (1927–2000)
 12th Baronet of Craigievar and Fintray 1991–2000
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|  |  |  |  | Malcolm Nigel Forbes (b. 1946)
 23rd Lord Forbes 2013–present
 |  |  |  |  |  |  |  |  |  |  |  |  |  | James Sempill (b. 1949)
 21st Lord Sempill
 |  |  |  |  |  |  |  |  |  | Andrew Iain Ochoncar Forbes (1945–2003) [8]
 13th Baronet of Craigievar and Fintray 2000–2003
 |  |  |  |  |  | Peter Arthur Edward Hastings Forbes (b. 1957)
 10th Earl of Granard, 10th Viscount Granard, 10th Baron Clanehugh, 5th Baron Granard, 11th Baronet of Castle Forbes
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|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Francis Henry William Sempill (b. 1979)
 styled Master of Sempill
 |  |  |  |  |  |  |  |  |  | James Patrick Ochoncar Forbes (b. 1986)
 14th Baronet of Craigievar and Fintray 2003–present
 |  | David Ian Ochoncar Forbes (b. 1993)
 Heir presumptive to the Baronetage of Craigievar and Fintray
 |  | Jonathan Peter Hastings Forbes b. 1981
 styled Viscount Forbes
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