Tomohiko OKANO adopted the fact that the ryoke (virtual proprietor of manor) of Mt. Rokka in Iga Province, where the base of the Taira clan lay, was TAIRA no Mitsumori (son of TAIRA no Yorimori) and Takao SUGIHASHI's theory that Munechika MAKI was Ike no zenni's brother, that is, Maki no Kata, who was Tomomasa's mother-in-law, was TAIRA no Yorimori's cousin.
岡野友彦は平氏側の拠点となった伊賀国六箇山の領家が平光盛（平頼盛の子）であった事実と杉橋隆夫が唱えた牧宗親・池禅尼兄弟説（すなわち平賀朝雅の義母牧の方と平頼盛を従兄弟とする）を採用している。