Genesis 4:1-6

Abel : the second son of Adam and Eve; the brother of Cain,an English name representing two different Hebrew names,as representing the Hebrew name 'Hebel' or 'Habel',the second son of Adam,as representing the Hebrew name 'Abel',a town in northern Israel near Dan (OS)
(33° 16´, 35° 34´); (32° 1´, 35° 49´); (32° 21´, 35° 32´); (31° 51´, 35° 38´)

Adam : the father of Cain, Abel, Seth and all mankind,the original man created by God,a town on the Jordan at the mouth of the Jabbok (OS)
(32° 5´, 35° 33´)

Cain : the first son of Adam and Eve,first son of Adam and Eve
(31° 30´, 35° 10´)

Eve : the first woman created by God; wife of Adam,wife of Adam; mother of all the people of the earth