Genesis 4:2-4

Revised Geneva Translation

² And again, she brought forth his brother, Abel. And Abel was a keeper of sheep; and Cain was a tiller of the ground.

³ And in process of time, it happened that Cain brought an oblation to the LORD from the fruit of the ground.

⁴ And Abel also brought one from the firstfruits of his sheep (and from the fat of them). And the LORD had respect toward Abel, and to his offering.