1) Celtic Britons 
The Epidii (Greek Επίδιοι) were a people of ancient Britain, known from a mention of them by the geographer Ptolemy c. 150. They inhabited the modern-day regions of Argyll and Kintyre, as well as the islands of Islay and Jura. Some authorities suggest they were Goidelic-speaking rather than Brythonic-speaking as the reported name suggests. ...