Arphaxad was the father of Shelah, and Shelah was the father of Eber.

Shem, Arphaxad, Shelah, ¹ 

Arphaxad was the father of ¹  Shelah, ²  and Shelah was the father of Eber. ³ 

When Arphaxad had lived 35 years, he became the father of Shelah.

When Shelah had lived 30 years, he became the father of Eber.

the son of Serug, the son of Reu, the son of Peleg, the son of Eber, the son of Shelah,

And after he became the father of Shelah, Arphaxad lived 403 years and had other ¹  sons and daughters. ² 

And after he became the father of Eber, Shelah lived 403 years and had other ¹  sons and daughters.

Then she had ¹  yet another son, whom she named Shelah. She gave birth to him in Kezib. ² 

The sons of Shelah son of Judah: Er the father of Lecah, Laadah the father of Mareshah, the clans of the linen workers at Beth-Ashbea,

The sons of Judah: Er, Onan, Shelah, Perez, and Zerah (but Er and Onan died in the land of Canaan). The sons of Perez were Hezron and Hamul.

And the Judahites by their families were: from Shelah, the family of the Shelahites; from Perez, the family of the Perezites; and from Zerah, the family of the Zerahites.

Judah recognized them and said, “She is more upright ¹  than I am, because I wouldn’t give her to Shelah my son.” He did not have sexual relations with her ²  again.

The sons of Judah: Er, Onan, and Shelah. These three were born to him by Bathshua, ¹  a Canaanite woman. Er, Judah’s firstborn, displeased the Lord, so the Lord killed him. ² 

So she removed her widow’s clothes and covered herself with a veil. She wrapped herself and sat at the entrance to Enaim which is on the way to Timnah. (She did this because ¹  she saw that she had not been given to Shelah as a wife, even though he had now grown up.) ² 

Then Judah said to his daughter-in-law Tamar, “Live as a widow in your father’s house until Shelah my son grows up.” For he thought, ¹  “I don’t want him to die like his brothers.” ²  So Tamar went and lived in her father’s house.

Shallun son of Col-Hozeh, head of the district of Mizpah, worked on the Fountain Gate. He rebuilt it, put on its roof, and positioned its doors, its bolts, and its bars. In addition, he rebuilt the wall of the Pool of Siloam, ¹  by the royal garden, as far as the steps that go down from the City of David.

and Maaseiah son of Baruch, the son of Col-Hozeh, the son of Hazaiah, the son of Adaiah, the son of Joiarib, the son of Zechariah, from the descendants of Shelah. ¹ 

the son of Cainan, ¹  the son of Arphaxad, the son of Shem, the son of Noah, the son of Lamech,