Theogony who bore Persephone. The fifth wife of Zeus was another aunt, the Titan Mnemosyne, from whom came the nine Muses: Clio, Euterpe, Thalia, Melpomene, Terpsichore, Erato, Polymnia, Urania, and Calliope. His sixth wife was a third aunt, the Titan Leto, who gave birth to Apollo and Artemis. Zeus' seventh and final wife was his sister Hera, the mother by Zeus of Hebe, Ares, and Eileithyia. Zeus finally "gave birth" himself to Athena, from his head, which angered Hera so much that she produced, by herself, her own son Hephaestus, god of fire and blacksmiths. From Poseidon and the Nereid Amphitrite
Thou shalt not take the name of the Lord thy God in vain referred to this as "motzi shem shamayim lavatalah", "uttering the Name of Heaven uselessly." To avoid guilt associated with accidentally breaking the commandment, Jewish scholars applied the prohibition to all seven biblical titles of God in addition to the proper name, and established the safeguard of circumlocution when referring to the Name of God. In writing names of God, a common practice includes substituting letters or syllables so that the written word is not exactly the name, or writing the name in an abbreviated manner. Orthodox Jews will not even pronounce a name of God unless it is said in