Related Clues:

• Olivier or John, e.g.
• Ma'am's mate
• See 109-Across
• Polite word
• Baronet's address
• McCartney title
• Title
• “Dear” letter recipient
• Address for the general
• Kingly address
• Honored title
• ''___ Duke'' (Stevie Wonder tune)
• Respectful term
• Business letter addressee, perhaps
• Connery or McKellen