The Aesir were the principal gods in Norse mythology. They lived in Asgard. Four of the gods were common to the Germanic nations: Odin, chief of the Aesir; Frigg Odin's wife; Tyr the god of war; and Thor the god of thunder. Some of the other important Aesir were Balder, Jord, Heimdall, and Loki. Research Aesir