Easton's Bible Dictionary (1897)
Mercury-born, at one time Paul’s fellow-labourer in Asia Minor, who, however, afterwards abandoned him, along with one Phygellus, probably on account of the perils by which they were beset (2 Tim. 1:15).
Smith's Bible Dictionary (1863)
a person mentioned by St. Paul in the latest of all his epistles, (2 Timothy 1:15) when all in Asia had turned away from him.
Hastings' Dictionary of the Bible (1898) & Schaff's Bible Dictionary
HERMOG'ENES (begotten of Mercury), one who forsook Paul. 2 Tim 1:15.
Hitchcock's Bible Names (1869)
begotten of Mercury