A historical fact was written in the article of 1575, and it states that he gave henki to Tokichiro, who called himself Motoyoshi then, and had him call himself Hideyoshi; The fact was also told by Hideyoshi himself in the article of 1582 (17th and 18th volumes of "Kogen Bukan" [literally, the Directories of Bakufu Officialdom of the Minamoto Clan of Omi Province; and this book relates the time of the last four generations of the Sasaki Rokkaku clan in the form of a diary]).
また当時元吉と名乗っていた藤吉郎に偏諱を与えて秀吉と名乗らせた事跡が天正三年の項目に書かれ、天正十年の項目では秀吉の口から語られている（『江源武鑑』巻十七、巻十八）。