Genesis 15:2

2But Abram said, “O Lord God, what will you give me, for I continue
Or  I shall die
childless, and the heir of my house is Eliezer of Damascus?”

Genesis 17:24-25

24Abraham was ninety-nine years old when he was circumcised in the flesh of his foreskin. 25And Ishmael his son was thirteen years old when he was circumcised in the flesh of his foreskin.
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