In 833, he was granted the title of the Koremune clan with nineteen members from the same domain, and became a kebiishi (the imperial police) Uemon no jo (the third ranked official of the Right Division of Outer Palace Guards) during the Kanpei era.
883年（元慶7年）同族19人と惟宗氏を賜り、寛平の間に検非違使右衛門尉となる。