Exodus 4:22-24

New Revised Standard Version Catholic Edition

²² Then you shall say to Pharaoh, ‘Thus says the Lord: Israel is my firstborn son. ²³ I said to you, “Let my son go that he may worship me.” But you refused to let him go; now I will kill your firstborn son.’”

²⁴ On the way, at a place where they spent the night, the Lord met him and tried to kill him.