New Revised Standard Version
After the death of Hezron, in Caleb-ephrathah, Abijah wife of Hezron bore him Ashhur, father of Tekoa.

Contemporary English Version
After the death of Hezron, Caleb married Ephrath, his father's wife. Their son was Ashhur, who later settled the town of Tekoa.

New American Bible
After the death of Hezron, Caleb had relations with Ephrathah, the widow of his father Hezron, and she bore him Ashhur, the father of Tekoa.

Douay-Rheims Bible
And when Hesron was dead, Caleb went in to Ephrata. Hesron also had to wife Abia who bore him Ashur the father of Thecua.

And when Hesron was dead, Caleb went in to Ephrata. Hesron also had to wife Abia who bore him Ashur the father of Thecua.

Caleb-Ephratah.

1 Chronicles 2:9,18,19 And the sons of Hesron that were born to him: Jerameel, and Ram, and Calubi. . . .

1 Samuel 30:14 For we made an invasion on the south side of Cerethi, and upon Juda, and upon the south of Caleb, and we burnt Siceleg with fire.

Ashur.

1 Chronicles 4:5 And Assur the father of Thecua had two wives, Halaa and Naara:

Tekoa.

2 Samuel 14:2 Sent to Thecua, and fetched from thence a wise woman: and said to her: Feign thyself to be a mourner, and put on mourning apparel, and be not anointed with oil, that thou mayest be as a woman that had a long time been mourning for one dead.

Amos 1:1 The words of Amos, who was among the herdsmen of Thecua: which he saw concerning Israel in the days of Ozias king of Juda, and in the days of Jeroboam the son of Joas king of Israel two years before the earthquake.