Genesis 4:2

4:2 Then she gave birth to his brother Abel. Abel took care of the flocks, while Cain cultivated the ground.

Genesis 10:8

10:8 Cush was the father of Nimrod; he began to be a valiant warrior on the earth.

Genesis 26:33

26:33 So he named it Shibah; that is why the name of the city has been Beer Sheba to this day.