Thematic Bible: First performed on abraham and his family

Now Abraham, was ninety-nine years old, - when he was circumcised in the flesh of his foreskin. And Ishmael, his son, was thirteen years old, when he was circumcised in the flesh of his foreskin. On this selfsame day, was Abraham circumcised, - and Ishmael his son; read more.
and, all the men of his house, born of his house, and bought with silver from the son of a stranger, were circumcised with him.