High Quality Content by WIKIPEDIA articles! Clan MacDougall is a Highland Scottish clan consisting of the descendants of Dubgall mac Somairle, son of Somerled, who ruled Lorne and the Isle of Mull in Argyll in the 13th century. During the Wars of Scottish Independence the MacDougalls were supporters of William Wallace but later fought in civil war in support of the powerful Clan Comyn, who were rivals to the throne of Scotland, against Robert the Bruce.