Genesis 25:1

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

Keturah : Abraham's second wife

Genesis 27:37

Esau : a son of Isaac and Rebekah,son of Isaac & Rebekah; Jacob's elder twin brother,a people (and nation) descended from Esau, Jacob's brother
(30° 44´, 35° 36´)