James Hepburn /ˈhɛpbɜrnor, especially Brit., ˈhɛbərn/Show Spelled Pronunciation[hep-burnor, especially Brit., heb-ern]Show IPA, Earl of, 1536?–78, third husband of Mary, Queen of Scots.
Both·well (bŏth'wěl', -wəl, bŏth'-) Scottish Protestant nobleman and third husband of Mary Queen of Scots who was suspected of plotting the murder of her second husband, Lord Darnley (1567). Soon after wedding Mary he fled Scotland, was captured, and died in a Danish prison.