Although it is highly plausible that Yasunobu MIYOSHI was a relative of Tameyasu, little details are known about Yasumitsu (Yasuhisa) MIYOSHI who was depicted on the family tree as a son of Tameyasu and the father of Yasunobu; therefore, the nature of the relationship between Tameyasu and Yasunobu is uncertain.
また、三善康信が為康の血縁であることは間違いないと考えられているが、系譜上為康の子・康信の父とされる三善康光（康久）についての詳細は不明で実際に為康と康信がどのような血縁関係にあるのか定かではない。