Exodus 21:5
Book: Exodus 21
But if the servant shall plainly say, I love my master, my wife, and my children; I will not go out free:
Numbers 3:17
Book: Numbers 3
And these were the sons of Levi by their names: Gershon, and Kohath, and Merari.
Leviticus 25:24
Book: Leviticus 25
And in all the land of your possession ye shall grant a redemption for the land.