2 Samuel 3:2

And sons [were] born to David in Hebron; his firstborn [was] Amnon by Ahinoam {from Jezreel}.

1 Chronicles 3:1-4

These were the sons of David who were born to him in Hebron: the firstborn, Amnon, by Ahinoam the Jezreelite; the second, Daniel, by Abigail the Carmelite;

Genesis 49:3-4

Reuben, you [are] my firstborn, my strength, and the firstfruit of my vigor, excelling in rank and excelling in power.

1 Samuel 25:42-43

Then Abigail {quickly got up} and rode on the donkey, [along with] five of her maidservants who {attended her}, and she went after the messengers of David and became his wife.

2 Samuel 13:1-29

It happened afterwards that Absalom the son of David had a beautiful sister whose name [was] Tamar, and Amnon the son of David fell in love with her.

Treasury of Scripture Knowledge

Summary

And unto David were sons born in Hebron: and his firstborn was Amnon, of Ahinoam the Jezreelitess;

Sons born

Ahinoam

Bible References

Sons born

1 Chronicles 3:1
These were the sons of David who were born to him in Hebron: the firstborn, Amnon, by Ahinoam the Jezreelite; the second, Daniel, by Abigail the Carmelite;

Amnon

2 Samuel 13:1
It happened afterwards that Absalom the son of David had a beautiful sister whose name [was] Tamar, and Amnon the son of David fell in love with her.
Genesis 49:3
Reuben, you [are] my firstborn, my strength, and the firstfruit of my vigor, excelling in rank and excelling in power.

Ahinoam

1 Samuel 25:43
David had also taken Ahinoam from Jezreel, and both of them became his wives.