“17 Cain knew his wife, and she conceived and bore Enoch; and he built a city, and named it Enoch after his son Enoch. 18 To Enoch was born Irad; and Irad was the father of Mehujael, and Mehujael the father of Methushael, and Methushael the father of Lamech. 19 Lamech took two wives; the name of one was Adah, and the name of the other Zillah. 20 Adah bore Jabal; he was the ancestor of those who live in tents and have livestock. 21 His brother’s name was Jubal; he was the ance