Another theory suggests that it was founded by the Emperor Keiko for worshiping Yachihoko-no-kami (other name of Okuninushi [chief god of Izumo in southern Honshu Island, Japan]) under the name Hyozu-no-okami.
景行天皇が八千矛神（大国主）を兵主大神として祀ったともいう。