Genesis 4:3

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

Genesis 13:18

Abram : the son of Terah of Shem

Hebron : a valley and town of Judah 25 km west of the dead sea,son of Kohath son of Levi,son of Mareshah of Judah
(31° 32´, 35° 5´)

Mamre : a place where Abraham camped, probably a few km north of Hebron,an Amorite chief who was Abraham's ally, with Eshcol and Aner
(31° 32´, 35° 5´)

Genesis 24:52

Abraham : a son of Terah; the father of Isaac; ancestor of the Jewish nation.,the son of Terah of Shem