Numbers 3:12

"I have taken the Levites from the sons of Israel. For the Levites, and all the firstborn who open the womb among the sons of Israel, shall be mine

Other versions

King James Version

And I, behold, I have taken the Levites from among the children of Israel instead of all the firstborn that openeth the matrix among the children of Israel: therefore the Levites shall be mine;

English Standard Version

"Behold, I have taken the Levites from among the people of Israel instead of every firstborn who opens the womb among the people of Israel. The Levites shall be mine,

New International Version

"I have taken the Levites from among the Israelites in place of the first male offspring of every Israelite woman. The Levites are mine,