Numbers 3:13
Because all the firstborn mine; on the day that I smote all the firstborn in the land of Egypt I hallowed unto me all the firstborn in Israel, both man and beast: mine shall they be: I the Yahuah.
ā The Restored Word Bible
Context
11 And the Yahuah spake unto Moses, saying,
12 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;
13 Because all the firstborn mine; on the day that I smote all the firstborn in the land of Egypt I hallowed unto me all the firstborn in Israel, both man and beast: mine shall they be: I the Yahuah.
14 And the Yahuah spake unto Moses in the wilderness of Sinai, saying,
15 Number the children of Levi after the house of their fathers, by their families: every male from a month old and upward shall you number them.