Possible Clues:

• One of Rome's seven hills
• One of the seven hills of Rome
• Name for hill in Rome in a Latin exam, initially -- under pressure
• A point south of friend on a hill
• Limits to Prince adopting a language with royal attributes
• ___ Hill (one of the Seven Hills of Rome)
• Exercise involving a dead language and someone who used it
• One of seven hills, mate, comes to a point
• It's in good taste to be historically royal
• One of Rome's hills