Exodus 12:44
But everyone's servant who is bought for money, after you have circumcised him, may eat it.
Genesis 17:12-13
Throughout your generations every male among you who is eight days old must be circumcised, whether born in your house or bought with money from any foreigner who is not one of your descendants.
Genesis 17:23
Abraham took his son Ishmael and every male in his household (whether born in his house or bought with money) and circumcised them on that very same day, just as God had told him to do.
Treasury of Scripture Knowledge
Summary
But every man's servant that is bought for money, when thou hast circumcised him, then shall he eat thereof.
Circumcised
General references
Bible References
Circumcised
Genesis 17:12
Throughout your generations every male among you who is eight days old must be circumcised, whether born in your house or bought with money from any foreigner who is not one of your descendants.
General references
Leviticus 25:44
"'As for your male and female slaves who may belong to you -- you may buy male and female slaves from the nations all around you.