וַתֹּ֣סֶף לָלֶ֔דֶת אֶת־אָחִ֖יו אֶת־הָ֑בֶל וַֽיְהִי־הֶ֙בֶל֙ רֹ֣עֵה צֹ֔אן וְקַ֕יִן הָיָ֖ה עֹבֵ֥ד אֲדָמָֽה׃
And again she bore his brother Abel. And Abel was a keeper of sheep, but Cain was a tiller of the ground.
Find Talmudic references to Genesis 4:2: , passages from the Talmud Bavli and Yerushalmi.