Possible Clues:

• Sweet age in old Roma
• Sixteen in Roman numerals
• 'Sweet' age in ancient Rome?
• Square in old Rome?
• Louis __, eponym of the Kentucky city
• Sweet age for a Roman?
• Benedict ___ (pope beginning in 2005)
• "Sweet" Roman numeral?
• Benedict who resigned as pontiff
• Louis ___, French king who was guillotined