In Koninshiki (a lecture written by O no Hitonaga), there is a description on this genealogy that 'it can be seen neither in Zushoryo (the Bureau of Drawings and Books) nor private libraries,' which shows that it had been already lost.
弘仁私記にはこの系図について、「図書寮にも民間にも見えない」としてすでに失われたかのような記述がある。