It is unknown whether the article of "Azuma Kagami" with the same date is reliable, but according to 'Kanto Hyojoden' (an annual listing of personnel for the years 1226 and 1232 to 1284), he already became Saemon no jo (third-ranked officer of the Left Division of Outer Palace Guards) at the age of 18, was conferred a peerage in the same year, became Jugoinojo (Junior Fifth Rank, Upper Grade) at the age of 23, Shogoinoge (Senior Fifth Rank, Lower Grade) Shogoinoge (Senior Fifth Rank, Lower Grade) at the age of 26, and Kai no kami (the governor of Kai Province) at the age of 27, indicating that he promoted rapidly because his high social standing was recognized.
『吾妻鏡』の同日条を何処まで信用して良いのかは不明ながら、「関東評定伝」によると、18歳で既に左衛門尉となっており、同年更に従五位下に叙爵、23歳で従五位上、26歳で正五位下左衛門大尉、27歳で甲斐守という官職の昇進の早さは確かに高い家格を認められていたということになる。