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, Jehovah has kept me from bearing. I pray you, go in to my slave woman. It may be that I may be built by her. And Abram listened to the voice of Sarai.
Genesis 21:1
And Jehovah visited Sarah as He had said. And Jehovah did to Sarah as He had spoken.