17 When Abram was ninety-nine years old, Yahweh appeared to Abram and said to him, “I am God Almighty. Walk before me and be blameless.

²⁴ Abraham was ninety-nine years old when he was circumcised in the flesh of his foreskin. ²⁵ Ishmael, his son, was thirteen years old when he was circumcised in the flesh of his foreskin. ²⁶ In the same day both Abraham and Ishmael, his son, were circumcised.

¹⁹ Without being weakened in faith, he didn’t consider his own body, already having been worn out, (he being about a hundred years old), and the deadness of Sarah’s womb.