After the death of Katsuie SHIBATA, however, Nobukatsu confronted Hideyoshi HASHIBA, who had suddenly grown in power, and concluded an alliance with Ieyasu TOKUGAWA.
しかし、柴田勝家の死後、急速に勢力を強める羽柴秀吉と対立、徳川家康と同盟を結んだ。