Jada.

1 Chronicles 2:28
And the sons of Onam were, Shammai, and Jada. And the sons of Shammai; Nadab, and Abishur.

Jether.

Exodus 4:18
And Moses went and returned to Jethro his father in law, and said unto him, Let me go, I pray thee, and return unto my brethren which are in Egypt, and see whether they be yet alive. And Jethro said to Moses, Go in peace.

Judges 8:20
And he said unto Jether his firstborn, Up, and slay them. But the youth drew not his sword: for he feared, because he was yet a youth.

1 Kings 2:5,32
Moreover thou knowest also what Joab the son of Zeruiah did to me, and what he did to the two captains of the hosts of Israel, unto Abner the son of Ner, and unto Amasa the son of Jether, whom he slew, and shed the blood of war in peace, and put the blood of war upon his girdle that was about his loins, and in his shoes that were on his feet…

(1) Father-in-law of Moses,

Exodus 4:18
And Moses went and returned to Jethro his father in law, and said unto him, Let me go, I pray thee, and return unto my brethren which are in Egypt, and see whether they be yet alive. And Jethro said to Moses, Go in peace.

Exodus 3:1
Now Moses kept the flock of Jethro his father in law, the priest of Midian: and he led the flock to the backside of the desert, and came to the mountain of God, even to Horeb.

(2) Firstborn of Gideon,

Judges 8:20
And he said unto Jether his firstborn, Up, and slay them. But the youth drew not his sword: for he feared, because he was yet a youth.

(3) Father of Amasa, slain by Joab,

1 Kings 2:5
Moreover thou knowest also what Joab the son of Zeruiah did to me, and what he did to the two captains of the hosts of Israel, unto Abner the son of Ner, and unto Amasa the son of Jether, whom he slew, and shed the blood of war in peace, and put the blood of war upon his girdle that was about his loins, and in his shoes that were on his feet.

2 Samuel 17:25
And Absalom made Amasa captain of the host instead of Joab: which Amasa was a man's son, whose name was Ithra an Israelite, that went in to Abigail the daughter of Nahash, sister to Zeruiah Joab's mother.

(4) A descendant of Jerameel,

1 Chronicles 2:32
And the sons of Jada the brother of Shammai; Jether, and Jonathan: and Jether died without children.

(5) Son of Ezra, of Judah,

1 Chronicles 4:17
And the sons of Ezra were, Jether, and Mered, and Epher, and Jalon: and she bare Miriam, and Shammai, and Ishbah the father of Eshtemoa.

(6) A son of Asher,

1 Chronicles 7:38
And the sons of Jether; Jephunneh, and Pispah, and Ara.