Although the Emperor Konin's empress was the Imperial Princess Inoe who was the paternal half-sister of the Empress Shotoku, the Emperor Kanmu, the son of the Emperor Konin and his concubine, took over the imperial line and it has continued up until today.
光仁天皇の皇后は称徳天皇の異母姉妹の井上内親王であるが、側室を母に持つ桓武天皇の系統が長く現在まで続く事になる。