Genesis 10:24

10:24 Arphaxad was the father of Shelah, and Shelah was the father of Eber.

Genesis 11:12-15

11:12 When Arphaxad had lived 35 years, he became the father of Shelah. 11:13 And after he became the father of Shelah, Arphaxad lived 403 years and had other sons and daughters.

11:14 When Shelah had lived 30 years, he became the father of Eber. 11:15 And after he became the father of Eber, Shelah lived 403 years and had other sons and daughters.