Génesis 17

y su hijo Ismael tenía 13 años cuando su prepucio fue circuncidado.

E Ismael su hijo era de trece años, cuando fué circuncidada la carne de su prepucio.

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

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