... affection of the good, so they weakened his authority among the lovers of turbulence. Duncan in the seventh year of his reign, was waylaid by Macbeth and killed, but not in the manner as stated by Shakespeare . Duncan married a daughter of Siward, Earl of Northumberland under Hardicanute and Edward the Confessor. Under the latter reign Siward assisted the Crown in resisting the rebellion of Earl Godw...