Bible Verses About Servants: When foreigners to be circumcised

The slave born in your house and the person bought with your money must be circumcised; thus my covenant will be in your flesh as an everlasting covenant.

and all the men in his household, both slaves born in his house and those bought with money from a foreigner, were circumcised with him.

But if anyone has a slave he bought for money, when you have circumcised him, he may eat it.