On August 10, 1243, he was assigned additional post of Togu no fu (an official in charge of education of the Crown Prince) for Imperial Prince Hisahito, who later became Emperor Gofukakusa.
1243年（寛元元年）8月10日(旧暦)、東宮（久仁〔ひさひと〕親王。のちの後深草天皇）東宮傅を兼任。