Prometheus is Pandora’s husband’s brother in Hesiod’s account of the jar’s opening.
Pandora marries Epimetheus, and Prometheus is Epimetheus’s brother. The two Titans are central to Hesiod’s broader story about the conflict between Zeus and humanity. Prometheus steals fire for mortals after deceiving Zeus, and Zeus responds by arranging Pandora’s creation and sending her to Epimetheus.
Their family relationship matters because Prometheus and Epimetheus represent contrasting ways of thinking. Prometheus is linked with foresight, while Epimetheus is linked with understanding after an event. Prometheus therefore anticipates danger, but Epimetheus accepts the divine gift anyway.
Some later summaries treat Pandora as if she were created independently of the Prometheus story. Hesiod connects the episodes directly: the jar’s evils enter human life as a consequence of Zeus’s response to the theft of fire. The myth is consequently part of a larger sequence about divine punishment, technology, and the human condition.