There is mentioning in the "Sonpi Bunmyaku" of Moroyasu 'being a Jugoinoge (Junior Fifth Rank, Lower Grade) and entering into priesthood,' but there is no detailed record of his career, such as the year of death.
師保の所伝は、『尊卑分脈』に「従五下、出家」とのみあり、法名、没年等の詳細な経歴は不明である。