If his master have given him a wife, and she have born him sons or daughters; the wife and her children shall be her master's, and he shall go out by himself.
And Sarai said to Abram, Behold now, the LORD has restrained me from bearing: I pray you, go in to my maid; it may be that I may obtain children by her. And Abram listened to the voice of Sarai.
He that is born in your house, and he that is bought with your money, must needs be circumcised: and my covenant shall be in your flesh for an everlasting covenant.