Genesis 11:12

And Arphaxad lived five and thirty years, and begat Salah:

Arpachshad lived thirty-five years, and became the father of Shelah.

And Arpachshad lived five and thirty years, and begat Shelah.

And Arphaxad hath lived five and thirty years, and begetteth Salah.

When Arphaxad was 35 years old, he became the father of Shelah.