Possible Clues:

• Settled in Rome, dear Greek princess
• Tragedy that was first performed in 431 B.C
• She helped Jason
• Niece of Circe
• In Greek mythology, a sorceress who helped Jason obtain the Golden Fleece
• Sorceress married to Jason
• Enchantress who aided Jason
• Ancient Greek sorceress
• Jason's co-conspirator
• Princess charmed, eagerly doing some stripping