(Verdi: Macbeth). Ten. A Scottish nobleman. The Witches warn Macbeth to beware of Macduff. It is Macduff who, going to wake King Duncan one morning, finds his body after Macbeth has killed him. Macduff's wife and children are further victims of the Macbeths’ ambition to rule Scotland. And it is Macduff who, at the end of the opera, kills Macbeth. Aria: O figli, O figli miei! (‘O children, my children!’). Created (1847) by Angelo Brunacci.