Katsutoyo surrendered by Hideyoshi's trap because he did not have a good relation with Katsuie and Katsumasa SHIBATA, who was also an adopted son, and suffered from illness.
もともと勝豊は勝家、そして同じく養子であった柴田勝政らと不仲であった上に病床に臥していたため、秀吉の調略に応じて降伏した。