For Sarah became pregnant and bore Abraham a son in his old age, at the set time God had told him.
For Sarah conceived, and bare Abraham a son in his old age, at the set time of which God had spoken to him.
And Sarah conceived, and bare Abraham a son in his old age, at the set time of which God had spoken to him.
She became pregnant and gave birth to a son for Abraham when he was old, at the very time God had told him.
And she conceived and gave birth to a son in her old age, at the time that God had foretold to her.