When Arphaxad was thirty-five years old, he had Shelah. After Arphaxad had Shelah, he lived 403 more years and had other sons and daughters.
Arphaxad had Shelah and Shelah had Eber. Eber had two sons, Peleg (so named because in his days the human race divided) and Joktan.
Arphaxad had Shelah and Shelah had Eber. Eber had two sons: Peleg (Division) because in his time the earth was divided up; his brother was Joktan.