Gen.21.2

For Sarah conceived, and bare Abraham a son in his old age, at the set time of which God had spoken to him.

Gen.21.2

Sarah became pregnant and gave Abraham a son in his old age, and at the very time God had set.

Gen.21.2

Sarah became pregnant and bore a son to Abraham in his old age, at the very time God had promised him.

Gen.21.2

For Sarah conceived and bore Abraham a son in his old age, at the set time of which God had spoken to him.