In addition, in the book "Imakagami (The Mirror of the Present)", some connection was stated between the death of Shinzei, a member of the Southern House of the Fujiwara clan, in the Heiji War, and his deep knowledge of Tenmondo.)
また、『今鏡』には藤原南家出身の信西の平治の乱での最期と彼が天文道に通じたことが結びつけて書かれている）。