Oblivion is a political faction that contains fifteen of the sixteen Daedra Princes and the Dark Brotherhood. Sheogorath is not associated with Oblivion in any way, he is an independent faction and has also no allies or enemies. The Night Mother and the Dark Brotherhood are also listed as associates of Mephala; reputation gain/loss with Oblivion or Mephala influences the majority of the factions of the Dark Brotherhood, with the exception of the Night Mother.
In the Game, the political structure of Oblivion is as follows:
Allies & Enemies Affiliations