Claim: Hosokawa Yoriyuki was the Shogun's Deputy in 1367, and he served as Yoshimitsu's historian for six years
Evidence: Hosokawa Yoriyuki (細川 頼之, 1329 – March 25, 1392) was a samurai of the Hosokawa clan, and prominent government minister under the Ashikaga shogunate, serving as Kyoto Kanrei (Shōgun's Deputy in Kyoto) from 1367 to 1379. For the next six years, Yoriyuki served as his chief minister.