In traditional genealogies of the Clan Campbell, its origins are placed amongst the ancient Britons of Strathclyde; the earliest Campbell in written records is Gillespie who is recorded in 1263. Early grants to Gillespie and his relations were almost all in east-central Scotland, but the family's connection with Argyll came some generations before, when a Campbell married the heiress of the O'Duines and she brought with her the Lordship of Loch Awe. Because of this the early clan name was "Clan O' Duine" and this was later supplanted by the style "Clann Diarmaid". This name came from a fancied connection to "Diarmid the Boar", a great hero from early Celtic mythology.