Lord of the Isles
Donald of Islay, who in 1346 reduced the Hebrides under his sway The title had been borne by others for centuries before, and was also borne by his successors. One of Sir Walter Scott's metrical romances is so called. This title is now borne by the Prince of Wales.
Source: Dictionary of Phrase and Fable, E. Cobham Brewer, 1894
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