Genesis 4:17-18

And Cain knew his wife, and she conceived and bore Ē´noch. And he built a city, and called the name of the city after the name of his son—Ē´noch. To Ē´noch was born Irad; and Irad begot Mehujael, and Mehujael begot Methushael, and Methushael begot Lamech.