In addition, there are various theories for the Kira clan's extinction, it is said that the Kira clan was attacked and fell by the Chosokabe clan in 1563, according to "Kira Monogatari" (the Tale of Kira).
この他吉良氏滅亡には諸説あり、『吉良物語』においては永禄六年(1563年)に長宗我部氏に攻められ滅亡したとされる。