Possible Clues:

• Miss America she's not
• Old biddy
• Frightful female
• Blue-eyed one in ''The Tempest''
• "Macbeth" figure
• However unpleasant she may be, G is what will make a Scot love her
• An ugly old woman
• Old though she is, one might drag back after her to make her gaunt
• 'Blue-eyed' one in 'The Tempest'
• However ugly, sounds as if it is for a Scot