Darnley,
Lord (Henry Stewart or Stuart) 1545-67; 2d husband of Mary, Queen of Scots: father of James I
See Darnley in American Heritage Dictionary 4
(därnˈlē), Lord. Title of Henry Stew·art or Stu·art(sto͞oˈərt, styo͞oˈ-) 1545-1567.
Scottish nobleman and second husband (1565-1567) of Mary Queen of Scots. He plotted to kill David Rizzio, Mary's secretary, in 1566 and was himself murdered the following year, possibly at the urging of Mary's lover, the Earl of Bothwell.