16 `For they are certainly given to Me out of the midst of the sons of Israel, instead of him who openeth any womb—the first-born of all—from the sons of Israel I have taken them to Myself;
Numbers 8:16 Cross References - YLT
Numbers 3:9
9 and thou hast given the Levites to Aaron and to his sons; they are surely given to him out of the sons of Israel.
Numbers 3:12
12 `And I, lo, I have taken the Levites from the midst of the sons of Israel instead of every first-born opening a womb among the sons of Israel, and the Levites have been Mine;
Numbers 3:45
45 `Take the Levites instead of every first-born among the sons of Israel, and the cattle of the Levites instead of their cattle; and the Levites have been Mine; I am Jehovah.