There are many unclear points in the first half of his life were not well, and except for the event in which he was given a stipend of 500 households' annual tribute in 691, his detailed life was unknown before the Emperor Jito's reign.
彼も前半生は不明な点が多く、持統朝以前は691年に封500戸を与えられた事以外は詳細な事跡は不明である。