In 1531 - when, triggered by conflict between Jitsunyo, the ninth chief priest of Hongan-ji Temple, and opposing factions, small- and large-scale uprisings took place in Kaga Province - Ietoshi and his army headed for Kaga Province to save Jitsugo (13th son of Rennyo), Renno's son, but Ietoshi was defeated and killed by enemies dispatched from Hongan-ji Temple.
1531年（享禄4年）、本願寺9世実如と一門衆との争いにより加賀国で発生した大小一揆が勃発すると、蓮能所生の実悟（蓮如の13男）救援のために加賀に出陣するが、本願寺から派遣された討伐軍に敗れて討ち死にした。