Exodus 12:44

Revised Standard Version (RSV-CI)

but every slave that is bought for money may eat of it after you have circumcised him.

Cross References

Genesis 17:23

Then Abraham took Ishmael his son and all the slaves born in his house or bought with his money, every male among the men of Abraham's house, and he circumcised the flesh of their foreskins that very day, as God had said to him.

Leviticus 22:11

but if a priest buys a slave as his property for money, the slave may eat of it; and those that are born in his house may eat of his food.