Gen.21.4

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

Gen.21.4

When his son was eight days old, Abraham circumcised him just as God had commanded.

Gen.21.4

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

Gen.21.4

Then Abraham circumcised his son Isaac when he was eight days old, as God had commanded him.