Genesis 17:24-26

CAB^{(i) 24} And Abraham was ninety-nine years old, when he was circumcised in the flesh of his foreskin. ²⁵ And Ishmael his son was thirteen years old when he was circumcised in the flesh of his foreskin. ²⁶ And at the period of that day, Abraham was circumcised, and Ishmael his son,