Related Clues:

• Horse's father
• "My king"
• King, to a subject
• Word uttered on bended knee
• Many a retired racer
• Father a foal
• What to call a crown
• Bold Ruler, to Secretariat
• Foal's parent
• "Your majesty"
• Mare's mate
• Seattle Slew, vis-à-vis Swale
• Regal term of address
• "Your Highness"
• Become a father