Genesis 4:1–2
Cain and Abel
1 Now Adam knew Eve his wife, and she conceived and bore Cain, saying, “I have gotten1 a man with the help of the Lord.” 2 And again, she bore his brother Abel. Now Abel was a keeper of sheep, and Cain a worker of the ground.
Genesis 4:25
25 And Adam knew his wife again, and she bore a son and called his name Seth, for she said, “God has appointed1 for me another offspring instead of Abel, for Cain killed him.”