This hypothesis identifies Toyo as Amatoyo-hime, a child of Takemorozumi no mikoto who was the seventh grandchild of Hikohoakari, the ancestor of Owari clan and Amabe clan.
尾張氏、海部氏の祖彦火明、七世孫建諸隅命の子、天豊姫を臺與とする説。