Campbell of Argyll Ancient Tartan Heavyweight 16ozClan Campbell Clan Campbell was powerful in the West of Scotland and in Argyllshire. They were known by the name of Diarmid and were granted the Lordship of Lochow in the 13th century. Colin Campbell of Lochow, the father of the Campbells from Argyll got knighted around 1280. The following chiefs were Earls Argyll before 1701 when William of Orange conferred a Dukedom to the 10th Earl. The 9th Earl was executed in 1685 due to his involvement during