Genesis 4:16-18

Cain left the presence of GOD and lived in No-Man’s-Land, east of Eden. Cain slept with his wife. She conceived and had Enoch. He then built a city and named it after his son, Enoch. Enoch had Irad, Irad had Mehujael, Mehujael had Methushael, Methushael had Lamech.