Parallel
Numbers 3:13
Brenton's English Septuagint · Berean Standard Bible
For every first-born [is] mine; in the day in which I smote every first-born in the land of Egypt, I sanctified to myself every first-born in Israel: both of man and beast, they shall be mine: I [am] the Lord.
for all the firstborn are Mine. On the day I struck down every firstborn in the land of Egypt, I consecrated to Myself all the firstborn in Israel, both man and beast. They are Mine; I am the LORD.”