Genesis 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. 12 I MC VC

Genesis 4:24 If Cain shall be avenged sevenfold, truly Lamech seventy and sevenfold. 10 I MC VC

Genesis 6:4 There were giants in the earth in those days; and also after that, when the sons of God came in unto the daughters of men, and they bare children to them, the same became mighty men which were of old, men of renown. 10 I MC VC