Related Clues:

• Number of an oft-married King Henry
• XL divided by V
• 12, on a sundial
• Nero's three
• Eight, in ancient Rome
• Grandfather clock's three
• The Eighth
• "Richard ___" (Shakespeare)
• 124 Down's "Rocky"
• Egoist's favorite number?
• Tag for some grandchildren
• Widest numeral on a sundial
• Sundial eight
• Fifth of XV
• The first manned Apollo mission