Anselan O Kyan, who was a son of one of the kings of Ulster, landed on the northern coast of Argyl, near the Lennox, about the year 1016. Assisting Malcolm II of Scotland in repelling his old enemies the Danes, on two different occasions. Upon their arrival in Scotland, he received a grant of land in the north of Scotland, East of Loch Lomand. According to Buchanan of Auchmar, he is the founder of the Buchanan clan.