Possible Clues:

• Beauty who was born from an egg, in Greek myth
• Cause of the Trojan War
• She started Trojan War
• Beautiful daughter of Zeus and Leda in Greek mythology
• Face that ''launched a thousand ships''
• Homeric heroine
• - - of Troy
• Woman abducted to Troy
• Ethel entered part as another lady
• 'The face the launched 1,000 ships'