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´)
Ishak
: the only son of Abraham and Sarah; father of Jacob and Esau
Yakub
: the second so of a pair of twins born to Isaac and Rebeccaa; ancestor of the 12 tribes of Israel,the nation of Israel,a person, male,son of Isaac; Israel the man and nation