Same as his older brother, he worked together with Takauji ASHIKAGA, and in 1352, he succeeded in the suppression of Yoshioki NITTA and Yoshimune WAKIYA, when they raised an army in Kozuke Province.
兄同様に足利尊氏に与し、1352年に新田義興・脇屋義宗らが上野国で挙兵したとき、尊氏に与してこれらの討伐で功を挙げた。