1 Chronicles 1:28

The sons of Abraham: Isaac [by his wife Sarah] and Ishmael [by Hagar her maid].

Genesis 16:11-16

The Angel of the Lord continued,

“Behold, you are with child,
And you will bear a son;
And you shall name him Ishmael (God hears),
Because the Lord has heard and paid attention to your persecution (suffering).

Genesis 17:19-21

But God said, “No, Sarah your wife shall bear you a son indeed, and you shall name him Isaac (laughter); and I will establish My covenant with him for an everlasting covenant and with his descendants after him.

Genesis 21:2-5

So Sarah conceived and gave birth to a son for Abraham in his old age, at the appointed time of which God had spoken to him.

Genesis 21:9-10

Now [as time went on] Sarah saw [Ishmael] the son of Hagar the Egyptian, whom she had borne to Abraham, mocking [Isaac].

Genesis 21:12

God said to Abraham, “Do not let it distress you because of Ishmael and your maid; whatever Sarah tells you, listen to her and do what she asks, for your descendants will be named through Isaac.

Treasury of Scripture Knowledge

Summary

The sons of Abraham; Isaac, and Ishmael.

Bible References

Isaac

Genesis 17:19
But God said, “No, Sarah your wife shall bear you a son indeed, and you shall name him Isaac (laughter); and I will establish My covenant with him for an everlasting covenant and with his descendants after him.
Genesis 21:2
So Sarah conceived and gave birth to a son for Abraham in his old age, at the appointed time of which God had spoken to him.

Ishmael

Genesis 16:11
The Angel of the Lord continued,

“Behold, you are with child,
And you will bear a son;
And you shall name him Ishmael (God hears),
Because the Lord has heard and paid attention to your persecution (suffering).
Genesis 21:9
Now [as time went on] Sarah saw [Ishmael] the son of Hagar the Egyptian, whom she had borne to Abraham, mocking [Isaac].