Exo 13:2, 24:5, Num 8:14 | ESV | STEP | Consecrate to me all the firstborn . Whatever is the first to open the womb among the people of Israel , both of man and of beast , is mine.

Exodus 13:2

2 ^a“Consecrate to me all the firstborn. Whatever is the first to open the womb among the people of Israel, both of man and of beast, is mine.”

5 And he sent young men of the people of Israel, who offered burnt offerings and sacrificed peace offerings of oxen to the Lord.

14 “Thus you shall separate the Levites from among the people of Israel, and ^bthe Levites shall be mine.