 It is formally named "Kōchi no Shinaga no hara no misasagi".Emperor Yōmei was the fourth son of Emperor Kinmei and his mother was Soga no Kitashihime, a daughter of Soga no Iname.In 586, Emperor Yōmei took his half-sister , whose mother was another of Iname's daughters, Soga no Oane Hime, as his consort.