Possible Clues:

• Unheeded prophetess
• Prophetess of Greek myth
• One with dire forebodings about oaf and artist
• Prophesying daughter of Priam of Troy
• One who gave warnings misinterpreted as canards?
• She foretold misfortunes — like grit being found in car's parts
• Greek prophetess who foretold evil events
• Accountant's girl destined to be disbelieved?
• One in 28 7 is grossly stupid, and one with no right until much later
• Accountant's girl � her forecasts were never believed