Related Clues:

• Pollux parent
• Mythical mother of Helen
• -- dog's life (labored)
• -- double life (had two different personas)
• Memory principle
• Nymph changed into Ursa Major
• Yeats's "__ and the Swan"
• 13th moon of Jupiter
• Castor and Pollux's mom
• Mother of Castor
• One of the three original Muses
• Helen of Troy's mom
• ___ double life (spied, say)
• Did she make a deal with a swan?
• She got involved with Aswan