| Clan MacDonald of Keppoch | 
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| Crest: An eagle displayed, Gules, crowned of a ducal coronet, Or | 
| Motto | Air Muir's Air Tir (By Sea By Land) | 
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| War cry | Dia 's Naomh Aindrea! (God and St Andrew!) | 
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| Region | Scottish Highlands | 
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| District | Lochaber | 
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| Plant badge | Common Heath | 
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| Kenneth Donald MacDonald of Keppoch | 
| Historic seat | Keppoch Castle | 
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| Septs of Clan MacDonald of Keppoch | 
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| Burke, Boyle, Kelly, Kennedy, MacGillivantic, MacGilp, MacGlasrich, MacKerracher, MacKillop, MacPhilip, Philipson, Ronald, Ronaldson |  | 
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| Clan branches | 
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| MacDonalds of BohuntineMacDonalds of Tulloch
 MacDonalds of Aberarder
 MacDonalds of Achnancoichean
 MacDonalds of Clianaig
 MacDonalds of Cranachan
 MacDonalds of Dalchosnie
 MacDonalds of Fersit
 MacDonalds of Gellovie
 MacDonalds of Inch
 MacDonalds of Inverroy
 MacDonalds of Killiechonate
 MacDonalds of Murlagan
 MacDonalds of Tirnadris
 MacDonalds of Tullochrom
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Clan MacDonald of Keppoch, also known as Clan MacDonell of Keppoch or Clan Ranald of Lochaber (Scottish Gaelic: Clann Dòmhnaill na Ceapaich [ˈkʰl̪ˠãũn̪ˠ ˈt̪õː.ɪʎ nə ˈkʲʰɛʰpɪç]), is a Highland Scottish clan and a branch of Clan Donald. The progenitor of the clan is Alistair Carrach MacDonald, 4th great-grandson of the warrior Somerled. The clan chief is traditionally designated as the "Son of Ranald's son" (Scottish Gaelic: Mac Mhic Raonuill).
Clan MacDonald of Keppoch has a chief that is recognized by the Court of the Lord Lyon, and the Lord Lyon King of Arms, who is the heraldic authority in Scotland.