A gallant general, the defender of Gibraltar, son of Sir Gilbert Eliott, born at Stobs, in Roxburghshire; saw service first in the war of the Austrian Succession, fighting at Dettingen and Fontenoy; as a colonel he fought with English troops in alliance with Frederick the Great against Austria; for his heroic defence of Gibraltar (1779-1783) against the combined forces of France and Spain he was raised to the peerage as Baron of Gibraltar (1717-1790).