"Kanmon Nikki" (Diary of Imperial Prince Fushimi no miya Sadafusa) recorded that the shogun had tried to destroy the Akamatus clan but was exposed about the conspiracy and was killed the wrong way around.
貞成親王の『看聞日記』は「赤松を討とうとして、露見して逆に討たれてしまったそうだ。