Genesis gives ages before Abraham, and readers differ on whether they are meant to be added up into dates. How the dates are worked out
Name meaning
"acquired, gotten" · Hebrew
"I have gotten a man from the LORD" (Genesis 4:1).
About
Firstborn son of Adam and Eve, a farmer by trade. His offering was rejected by God while his brother Abel's was accepted. In jealousy he killed Abel, the first recorded murder. God marked him and sent him east to the land of Nod.
And Adam knew Eve his wife; and she conceived, and bare Cain, and said, I have gotten a man from the LORD.Genesis 4:1, KJV
Genesis 4:8
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.Genesis 4:8, 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.Genesis 4:15, KJV
Hebrews 11:4
By faith Abel offered unto God a more excellent sacrifice than Cain, by which he obtained witness that he was righteous, God testifying of his gifts: and by it he being dead yet speaketh.Hebrews 11:4, KJV
1 John 3:12
Not as Cain, who was of that wicked one, and slew his brother. And wherefore slew he him? Because his own works were evil, and his brother’s righteous.1 John 3:12, KJV
See how Cain connects to every other figure in Scripture.