Caleb-Ephratah.

1 Chronicles 2:9, 18, 19
The sons who were born to Hezron: Jerahmeel, Ram, and Caleb. . . .

1 Samuel 30:14
We raided the Negev of the Cherethites, the territory of Judah, and the Negev of Caleb, and we burned down Ziklag."

Ashur.

1 Chronicles 4:5
Ashhur was the father of Tekoa and had two wives, Helah and Naarah.

Tekoa.

2 Samuel 14:2
So Joab sent to Tekoa to bring a wise woman from there. He told her, "Please pretend to be a mourner; put on clothes for mourning and do not anoint yourself with oil. Act like a woman who has mourned for the dead a long time.

Amos 1:1
These are the words of Amos, who was among the sheepherders of Tekoa--what he saw concerning Israel two years before the earthquake, in the days when Uzziah was king of Judah and Jeroboam son of Jehoash was king of Israel.