Tamayori-hime is the daughter of the sea-dragon god, Watatsumi(綿津見) and also Toyotama-hime(豊玉姫)'s younger sister. Her name appears in Tenson kōrin(天孫降臨) and Ugayafukiaezu(鵜草葺不合命) section. Her elder sister sent her to raise her son, Ugayafukiaezu, a son of Hoori(火遠理命) upon her abandonment of them. And after, Tamayori-hime married Ugayafukiaezu and Itsuse(五瀬命), Inahi(稲飯命), Mikenu(御毛沼命), Wakamikenu(若御毛沼命), and Emperor Jimmu was born.
Tamayori means Yorishiro, an object to embody Gods. Tamayori-hime is a woman Yorishiro, Miko.