It was generally believed that the rivalry between Nene and Yodo-dono drove Nene to work for the East squad (so-called Budan-ha led by Ieyasu TOKUGAWA, a political faction that is willing to resort to military means to achieve its aims, members include Masanori FUKUSHIMA) in the Battle of Sekigahara.
関ヶ原の戦いでも淀殿との対立関係から東軍（徳川家康率いる福島正則などのいわゆる武断派）のために動いたとするのが通説であった。