Numbers 8:16-18 Douay-Rheims 1899 American Edition (DRA)
16 I have taken them instead of the firstborn that open every womb in Israel,
17 For all the firstborn of the children of Israel, both of men and of beasts, are mine. From the day that I slew every firstborn in the land of Egypt, have I sanctified them to myself:
18 And I have taken the Levites for all the firstborn of the children of Israel:
Numbers 8:16-18 New International Version (NIV)
16 They are the Israelites who are to be given wholly to me. I have taken them as my own in place of the firstborn, the first male offspring from every Israelite woman. 17 Every firstborn male in Israel, whether human or animal, is mine. When I struck down all the firstborn in Egypt, I set them apart for myself. 18 And I have taken the Levites in place of all the firstborn sons in Israel.