Genesis 21:4

English Standard Version

4 And Abraham circumcised his son Isaac when he was eight days old, as God had commanded him. (Ge 17:10; Ge 17:12; Ac 7:8)

New International Version

4 When his son Isaac was eight days old, Abraham circumcised him, as God commanded him.

New International Reader’s Version

4 When his son Isaac was eight days old, Abraham circumcised him. He did it exactly as God had commanded him.

King James Version

4 And Abraham circumcised his son Isaac being eight days old, as God had commanded him.