How many wifes did Hephaestus have?

Hephaestus, the Greek god of fire and craftsmanship, is traditionally known to have had two wives. His first wife was Charis, a goddess of beauty and grace, and his second and more famous wife was Aphrodite, the goddess of love and beauty. However, their marriage was tumultuous, as Aphrodite had numerous affairs, most notably with Ares, the God of War.