What societal values are common to both the Epic of Gilgamesh and the Odyssey?

Both of
the works are examples of heroic epic. Their protagonists are both of noble families with some
admixture of divine blood. This suggests that both societies are ones that believe to some
degree that family is destiny and that great and heroic characters are members of the
nobility. 

Next, as both protagonists are rulers (of Uruk and Ithaca,
respectively), we also see what their respective societies consider to be the characteristics of
good...