(According to "Fuso-Ryakki", he died from an illness, but another explanation that has been offered is that he went missing in the mountains and that Emperor Temmu had him assassinated.) (『扶桑略記』では病死説の後一説として「一云 天皇駕馬 幸山階鄕 更無還御 永交山林 不知崩所 只以履沓落處爲其山陵 以往諸皇不知因果 恒事殺害」とあり山中で行方不明になったとされることから天武天皇側による暗殺説もある) |