"two-fold balls and treble scepters"
Allusion
Act 4,
Scene 1
Lines 130-132
Macbeth
The images in the mirror represent more of Banquo’s descendants who will become kings of Scotland. Some are carrying two ornamental balls and three ornamental staffs. This indicates that these kings will rule not only Scotland (whose regal ornaments consist of one ball and one staff), but also England (one ball and two staffs). This is a reference to Shakespeare’s new English king, James I. James had unexpectedly inherited the English crown after already serving as the Scottish monarch for 36 years.