Genesis 17:25-27

Authorized (King James) Version

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 the house, and bought with money of the stranger, were circumcised with him.