Very few imperial tombs can be attributed to their occupants with near certainty. This one can because the investigation report from a tomb robbery in 1235 survived.
Several theories have been put forward about who is buried in the largest keyhole-shaped tomb in Asuka Village.
From the accession of his father, Emperor Keitai, to the reigns of the children who took the throne one after another: tracing the emperor who stands at the threshold of the Asuka period.