King Duncan is the father of which character in William Shakespeare's "Macbeth"?
King Duncan:  He is the father of two youthful sons (Malcolm and Donalbain), and the victim of a well-plotted regicide in a power grab by his trusted captain Macbeth. Donalbain (Macbeth): Donalbain is a character in William Shakespeare's "Macbeth" (c. 1603–1607).
Donalbain