Original sentence: It is first mentioned in historical sources in John Skylitzes' account of the Byzantine-Bulgarian Wars under Emperor Basil II, whose general Eustathios Daphnoneles is said to have subdued a Bulgarian revolt originating in Deabolis in 1018
Edited sentence: It is first mentioned in historical sources in John Skylitzes' account of the Byzantine-Bulgarian Wars under Emperor Basil II, whose general Eustathios Daphnomeles is said to have subdued a Bulgarian revolt originating in Deabolis in 1018