Jewish Publication Society of America Version (JPS1917) - 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 sign for Cain, lest any finding him should smite him.

King James Version (KJV) - 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.

Berean Study Bible (BSB) - Genesis 4:15 >

“Not so!” replied the LORD. “If anyone slays Cain, then Cain will be avenged sevenfold.” And the LORD placed a mark on Cain, so that no one who found him would kill him.