In the Kissho-hajime (the ceremony announcing the start of new official works) of a newly-built Kumonjo in October 6, 1184, he participated in the ceremony as a yoriudo (an officer for Kumonjo) under the bettor, OE no Hiromoto (then called, NAKAHARA no Hiromoto).
同年10月6日条の新造公文所の吉書始では、別当大江広元（当時は中原）の元に寄人として列席している。