Exodus 1:12-14, 22

But the more they afflicted them, the more they multiplied and grew. And they were in dread of the children of Israel. So the Egyptians made the children of Israel serve with rigor. And they made their lives bitter with hard bondage—in mortar, in brick, and in all manner of service in the field. All their service in which they made them serve was with rigor.

So Pharaoh commanded all his people, saying, “Every son who is born you shall cast into the river, and every daughter you shall save alive.”