Genesis 11:12-15

When Arpachshad had lived 35 years, he fathered Shelah. And Arpachshad lived after he fathered Shelah 403 years and had other sons and daughters. When Shelah had lived 30 years, he fathered Eber. And Shelah lived after he fathered Eber 403 years and had other sons and daughters.