Bible Verses About Circumcision: First performed on Abraham and his family

Abraham was ninety-nine 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.

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

All the men of his house, those born in the house, and those bought with money of a foreigner, were circumcised with him.