1 Chronicles 2:17

Abigail was the mother of Amasa, whose father was Jether the Ishmaelite.

2 Samuel 17:25

Absalom put Amasa in Joab's place as commander of the army. Amasa's father was Ithra from the family of Ishmael, and his mother was Abigal, the daughter of Nahash and the sister of Joab's mother Zeruiah.

2 Samuel 19:13

Say to Amasa: 'Are you my flesh and blood? May God strike me dead unless you are given Joab's place to serve me always as the commander of the army.'

2 Samuel 20:4-12

David said to Amasa: Three days from now I want you and all of Judah's army to be here!

1 Kings 2:5

Remember what Joab did to me by killing the two commanders of Israel's armies, Abner son of Ner and Amasa son of Jether. You remember how he murdered them in time of peace. This was revenge for deaths they had caused in time of war. He killed innocent men. I bear the responsibility for what he did. I suffer the consequences.

1 Kings 2:32

Jehovah will punish Joab for those murders he committed without my father David's knowledge. Joab killed two innocent men who were better men than he: Abner, commander of the army of Israel, and Amasa, commander of the army of Judah.

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
Absalom put Amasa in Joab's place as commander of the army. Amasa's father was Ithra from the family of Ishmael, and his mother was Abigal, the daughter of Nahash and the sister of Joab's mother Zeruiah.
2 Samuel 19:13
Say to Amasa: 'Are you my flesh and blood? May God strike me dead unless you are given Joab's place to serve me always as the commander of the army.'
2 Samuel 20:4
David said to Amasa: Three days from now I want you and all of Judah's army to be here!
1 Kings 2:5
Remember what Joab did to me by killing the two commanders of Israel's armies, Abner son of Ner and Amasa son of Jether. You remember how he murdered them in time of peace. This was revenge for deaths they had caused in time of war. He killed innocent men. I bear the responsibility for what he did. I suffer the consequences.