1 Chronicles 2:17

And Abigail bore Amasa. And the father of Amasa was Jether the Ishmaelite.

2 Samuel 17:25

And Absalom set Amasa over the army instead of Joab. Now Amasa was the son of a man, whose name was Ithra the Israelite, who went in to Abigal the daughter of Nahash, sister to Zeruiah, Joab's mother.

2 Samuel 19:13

And say ye to Amasa, Are thou not my bone and my flesh? God do so to me, and more also, if thou not be captain of the army before me continually in the place of Joab.

2 Samuel 20:4-12

Then the king said to Amasa, Call the men of Judah together to me within three days, and be thou here present.

1 Kings 2:5

Moreover thou also know what Joab the son of Zeruiah did to me, even what he did to the two captains of the armies of Israel, to Abner the son of Ner, and to Amasa the son of Jether, whom he killed, and shed the blood of war in pea

1 Kings 2:32

And LORD will return his blood upon his own head, because he fell upon two men more righteous and better than he, and killed them with the sword, and my father David did not know it, [namely], Abner the son of Ner, captain of the a

Treasury of Scripture Knowledge

Summary

And Abigail bare Amasa: and the father of Amasa was Jether the Ishmeelite.

Bible References

Amasa

2 Samuel 17:25
And Absalom set Amasa over the army instead of Joab. Now Amasa was the son of a man, whose name was Ithra the Israelite, who went in to Abigal the daughter of Nahash, sister to Zeruiah, Joab's mother.
2 Samuel 19:13
And say ye to Amasa, Are thou not my bone and my flesh? God do so to me, and more also, if thou not be captain of the army before me continually in the place of Joab.
2 Samuel 20:4
Then the king said to Amasa, Call the men of Judah together to me within three days, and be thou here present.
1 Kings 2:5
Moreover thou also know what Joab the son of Zeruiah did to me, even what he did to the two captains of the armies of Israel, to Abner the son of Ner, and to Amasa the son of Jether, whom he killed, and shed the blood of war in pea