If his master gives him a wife and she gives birth to sons or daughters, the wife and her children belong to the master, and the slave must leave by himself.
So Sarai said to Abram, “The Lord has kept me from having children. Why don’t you sleep with my slave? Maybe I can build a family through her.” Abram agreed with Sarai.
Every male born in your household or bought with your money is to be circumcised without exception. So my promise will be a sign on your flesh, an everlasting promise.