Lord (1545–67), Scottish nobleman, second husband of Mary, Queen of Scots and father of James I of England. He was implicated in the murder of his wife's secretary Rizzio in 1566, and was later killed in a mysterious gunpowder explosion in Edinburgh.
Definition of Darnley, Henry Stewart in US English:
Darnley, Henry Stewart
proper nounˈdärnlē
Lord (1545–67), Scottish nobleman; second husband of Mary, Queen of Scots; father of James I of England; full name Henry Stewart Darnley.