²¹ But I will make my covenant with Isaac, not with Ishmael. At about this time next year, Sarah will give birth to your son, Isaac.’

²² When God had finished speaking to Abraham, he went away.

²³ On that same day, Abraham circumcised Ishmael and every male person in his house. He circumcised every male servant that was born in his house, as well as those that he had bought with money. He did this in the way that God had told him.