Gen 17:15 | JFB | STEP | 15-16. As for Sarai ... I will ... give thee a son also of her-- God's purposes are gradually made known. A son had been long ago promised to Abraham. Now, at length, for the first time he is informed that it was to be a child of Sarai.

‏ Genesis 17:15

15-16. As for Sarai ... I will ... give thee a son also of her--God's purposes are gradually made known. A son had been long ago promised to Abraham. Now, at length, for the first time he is informed that it was to be a child of Sarai.