Genesis 17:24-26

Young's Literal Translation

²⁴ And Abraham [is] a son of ninety and nine years in the flesh of his foreskin being circumcised;

²⁵ and Ishmael his son [is] a son of thirteen years in the flesh of his foreskin being circumcised;

²⁶ in this self-same day hath Abraham been circumcised, and Ishmael his son;