Galatians 4:22
For it is written that Abraham had two sons, one by the slave woman [Hagar] and one by the free woman [Sarah].
Genesis 16:15
So Hagar gave birth to Abram’s son; and Abram named his son, to whom Hagar gave birth,
Genesis 16:2-4
So Sarai said to Abram, “See here, the Lord has prevented me from bearing children. I am asking you to go in to [the bed of] my maid [so that she may bear you a child]; perhaps I will
Genesis 21:1-2
The Lord graciously remembered and visited Sarah as He had said, and the Lord did for her as He had promised.
Genesis 21:10
Therefore she said to Abraham, “Drive out this maid and her son, for the son of this maid shall not be an heir with my son Isaac.”