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
"breath, vapor" (hevel) · Hebrew
About
Second son of Adam and Eve, a shepherd. He brought the firstborn of his flock as an offering and God looked with favor on it. Murdered by his brother Cain, Abel is cited in the New Testament as a model of faith and righteousness.
And she again bare his brother Abel. And Abel was a keeper of sheep, but Cain was a tiller of the ground.Genesis 4:2, KJV
Genesis 4:4
And Abel, he also brought of the firstlings of his flock and of the fat thereof. And the LORD had respect unto Abel and to his offering:Genesis 4:4, 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
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
Matthew 23:35
That upon you may come all the righteous blood shed upon the earth, from the blood of righteous Abel unto the blood of Zacharias son of Barachias, whom ye slew between the temple and the altar.Matthew 23:35, KJV
See how Abel connects to every other figure in Scripture.