Cain had sexual relations with his wife, and she became pregnant and gave birth to Enoch. Then Cain founded a city, which he named Enoch, after his son.
Enoch had a son named Irad. Irad became the father of Mehujael. Mehujael became the father of Methushael. Methushael became the father of Lamech.
References for Genesis 4:18
Lamech married two women. The first was named Adah, and the second was Zillah.
Adah gave birth to Jabal, who was the first of those who raise livestock and live in tents.
His brother’s name was Jubal, the first of all who play the harp and flute.
Lamech’s other wife, Zillah, gave birth to a son named Tubal-cain. He became an expert in forging tools of bronze and iron. Tubal-cain had a sister named Naamah.
One day Lamech said to his wives, “Adah and Zillah, hear my voice; listen to me, you wives of Lamech. I have killed a man who attacked me, a young man who wounded me.
If someone who kills Cain is punished seven times, then the one who kills me will be punished seventy-seven times!”
Adam had sexual relations with his wife again, and she gave birth to another son. She named him Seth, for she said, “God has granted me another son in place of Abel, whom Cain killed.”
References for Genesis 4:25
When Seth grew up, he had a son and named him Enosh. At that time people first began to worship the LORD by name.