During Mary's and Darnley's difficult marriage, Darnley secretly allied himself with the rebels and conspired in the murder of the Queen's private secretary, David Rizzio, just three months before James's birth.
Selama pernikahan Maria yang sulit dan Darnley, Darnley diam-diam bersekutu dengan para pemberontak dan bersekongkol dalam pembunuhan sekretaris pribadi Ratu, David Rizzio, hanya tiga bulan sebelum kelahiran James.