At that time, only a lineal ancestor of an Emperor was allowed to open a cloister government, and, therefore, those Imperial Princes brought in by Tokitada, and so on, must be adopted children of Takakura in order to maintain influence of Takakura; this was a compromise to avoid conflict between Goshirakawa and Kiyomori.
当時、院政を行うことができたのは天皇の直系尊属に限定されていたので、時忠らが連れてきた皇子が高倉の猶子となったのは高倉の発言力保持のために必要な措置であり、後白河と清盛の対立を防ぐための妥協策でもあった。