Genesis 17:25-27

Revised Geneva Translation

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

²⁶ Abraham and Ishmael, his son, were circumcised the same day.

²⁷ And all the men of his house (born in his house and bought from a stranger, with money) were circumcised with him.