Yitzchak and Rivka pray for children, eventually she is pregnant and Shem informs her their are 2 children, etc., they are born with differing qualities that become more apparent with age, Eisav sells bechora for lentil stew, Yitzchak is told not to leave EY for Egypt during famine and all berachos he would receive because Avraham kept all Torah, they settle in G'rar