In 1050, he became Togu gakushi (Teacher of the Classics for the Crown Prince) of Togu (the Crown Prince), Imperial Prince Takahito, and with his father, who had became Jidoku of Imperial Prince Atsuhira (Emperor Goichijo), they became as Jidoku in two generations.
永承5年（1050年）に東宮尊仁親王の東宮学士となり、敦成親王（後一条天皇）の侍読を勤めた父資業に続いて、親子二代で侍読となった。