According to a migyosho (order written by a substitute) by Yoshimasa ASHIKAGA, the eighth Seii Taishogun (literally, "great general who subdues the barbarians") of the Muromachi bakufu (Japanese feaudal government headed by a shogun), he was assigned as Edokoro-azukari in 1469.
室町幕府8代征夷大将軍足利義政の御教書によると、1469年（文明元年）に絵所預に輔任されている。