Genesis 17:27

And all the men of his house, {those born in the house, and those acquired by money from a foreigner}, were circumcised with him.

Genesis 18:19

For I have chosen him, that he will command his children and his household after him that they will keep the way of Yahweh, to do righteousness and justice, so that Yahweh may bring upon Abraham that which he said to him."

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