When the Jewish exiles returned from Babylon they brought with them sweeping changes to their religion, changes formed during and after their captivity. Many changes were unwelcome, but as they were backed by the Persian state, they held sway in the newly-built Jerusalem. As their reforms took root, older forms of Yahweh worship were deemed apostate including the acknowledgment of Yahweh’s siblings, the worship of his consort, and the practice of sacrificing children to appease their deity.