Genesis 4:16–17
16 Then Cain went away from the presence of the Lord and settled in the land of Nod,1 east of Eden.
17 Cain knew his wife, and she conceived and bore Enoch. When he built a city, he called the name of the city after the name of his son, Enoch.
Genesis 4:20–22
20 Adah bore Jabal; he was the father of those who dwell in tents and have livestock. 21 His brother’s name was Jubal; he was the father of all those who play the lyre and pipe. 22 Zillah also bore Tubal-cain; he was the forger of all instruments of bronze and iron. The sister of Tubal-cain was Naamah.