KJV: And Cain talked with Abel his brother: and it came to pass, when they were in the field, that Cain rose up against Abel his brother, and slew him.
NASB: Cain told Abel his brother. And it came about when they were in the field, that Cain rose up against Abel his brother and killed him.
KJV: And surely your blood of your lives will I require; at the hand of every beast will I require it, and at the hand of man; at the hand of every man's brother will I require the life of man.
NASB: "Surely I will require your lifeblood; from every beast I will require it. And from every man, from every man's brother I will require the life of man.