Bereshis 4:1-2

Orthodox Jewish Bible

4 And HaAdam knew Chavah (Eve) his isha; and she conceived, and bore Kayin (Cain), and said, Kaniti (I have acquired) ish with Hashem.

² And again she bore his ach Hevel (Abel). And Hevel was a ro’eh tzon, but Kayin was an oved adamah (tiller of soil).