Treasury of Scripture Knowledge

Summary

For it is written, that Abraham had two sons, the one by a bondmaid, the other by a freewoman.

Bible References

That

Genesis 16:2
And Sarai said to Abram, Behold now, LORD has restrained me from bearing. Go in, I pray thee, to my handmaid. It may be that I will obtain sons by her. And Abram hearkened to the voice of Sarai.
Genesis 21:1
And LORD visited Sarah as he had said, and LORD did to Sarah as he had spoken.