And Cain had relations with his wife, and she conceived and gave birth to Enoch. Then Cain built a city and named it after his son Enoch.
Jewish Publication Society of America Version (JPS1917) - Genesis 4:17 >And Cain knew his wife; and she conceived, and bore Enoch; and he builded a city, and called the name of the city after the name of his son Enoch.