Cain and Abel. In the biblical Book of Genesis, Cain and Abel are the first two sons of Adam and Eve.
Cain, the firstborn, was a farmer, and his brother Abel was a shepherd. The brothers made sacrifices to God, each of his own produce, but God favored Abel's sacrifice instead of Cain's.
Cain then murdered Abel, whereupon God punished Cain to a life of wandering. Cain then dwelt in the land of Nod, where he built a city and fathered the line of descendants beginning with Enoch.
The narrative never explicitly states Cain's motive for murdering his brother, nor God's reason for rejecting Cain's sacrifice, nor details on the identity of Cain's wife. Some traditional interpretations consider Cain to be the originator of evil, violence, or greed.
According to Genesis, Cain was the first human born and Abel was the first to die. The story of Cain's murder of Abel and its consequences is told in Genesis 4:1-18: 1 And the human knew Eve his woman and she conceived and bore Cain, and she said, I have got me a man with the Lord. 2 And she bore as well his brother Abel, and Abel became a herder of sheep while Cain was a tiller of the soil. 3 And it happened in the course of time that Cain brought from the fruit of the soil an offering to the Lord. 4 And Abel too had brought from the choice firstlings of his flock, and the Lord regarded Abel and his offering 5 but did not regard Cain and his offering. And