Genesis
Chapter
Genesis is the first book of the Old Testament and is a collection of early Israelite information concerning the origin of things. The book has two main divisions. The first is the history of early mankind, narrating the events of the Creation, the Fall, the Flood, and the Dispersion. The second section concerns the lives of Abraham, Isaac, Jacob and Joseph.
Genesis 4
4:15 And the LORD said unto him, Therefore whosoever slayeth Cain, vengeance shall be taken on him sevenfold. And the LORD set a mark upon Cain, lest any finding him should kill him.