When a stranger shall live as a foreigner with you, and will keep the Pesach to the LORD, let all his males be circumcised, and then let him come near and keep it; and he shall be as one who is born in the land: but no uncircumcised person shall eat of it.
When eight days were fulfilled for the circumcision of the child, his name was called Yeshua, which was given by the angel before he was conceived in the womb.
He gave him the covenant of circumcision. So Avraham became the father of Yitzchak, and circumcised him the eighth day. Yitzchak became the father of Ya`akov, and Ya`akov became the father of the twelve patriarchs.