Genesis 17:25-27

Darby Translation

²⁵ And Ishmael his son was thirteen years old when he was circumcised in the flesh of his foreskin.

²⁶ In the selfsame day was Abraham circumcised, and Ishmael his son;

²⁷ and all the men of his house, born in his house, or bought with money of the stranger, were circumcised with him.