Mnemosyne shepherd, and Mnemosyne slept together for nine consecutive nights, thus conceiving the nine Muses. Mnemosyne also presided over a pool in Hades, counterpart to the river Lethe, according to a series of 4th-century BC Greek funerary inscriptions in dactylic hexameter. Dead souls drank from Lethe so they would not remember their past lives when reincarnated. In Orphism, the initiated were taught to instead drink from the Mnemosyne, the river of memory, which would stop the transmigration of the soul. Although she was categorized as one of the Titans in the "Theogony", Mnemosyne did not quite fit that distinction. Titans were
Greek mythology comprehensive summary of Cicero's line of thought. In Ancient Roman times, a new Roman mythology was born through syncretization of numerous Greek and other foreign gods. This occurred because the Romans had little mythology of their own, and inheritance of the Greek mythological tradition caused the major Roman gods to adopt characteristics of their Greek equivalents. The gods Zeus and Jupiter are an example of this mythological overlap. In addition to the combination of the two mythological traditions, the association of the Romans with eastern religions led to further syncretizations. For instance, the cult of Sun was introduced in Rome