1 Chronicles 1:28

The sons of Abraham were Isaac and Ishmael.

Genesis 16:11-16

The angel of the Lord said to her further,
“Behold, you are with child,
And you will bear a son;
And you shall call his name Ishmael,
Because the Lord has given heed to your affliction.

Genesis 17:19-21

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

Genesis 21:2-5

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

Genesis 21:9-10

Now Sarah saw the son of Hagar the Egyptian, whom she had borne to Abraham, mocking.

Genesis 21:12

But God said to Abraham, “Do not be distressed because of the lad and your maid; whatever Sarah tells you, listen to her, for through Isaac your descendants shall be named.

Treasury of Scripture Knowledge

Summary

The sons of Abraham; Isaac, and Ishmael.

Bible References

Isaac

Genesis 17:19
But God said, “No, but Sarah your wife will bear you a son, and you shall call his name Isaac; and I will establish My covenant with him for an everlasting covenant for his descendants after him.
Genesis 21:2
So Sarah conceived and bore a son to 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 said to her further,
“Behold, you are with child,
And you will bear a son;
And you shall call his name Ishmael,
Because the Lord has given heed to your affliction.
Genesis 21:9
Now Sarah saw the son of Hagar the Egyptian, whom she had borne to Abraham, mocking.