 When Nobuyuki attempted to usurp Nobunaga but failed, Gozen stepped in and asked Nobunaga to take mercy on his brother, which he accepted and turned his attention to other rivals.However, Nobuyuki eventually tried to usurp Nobunaga again and, this time, Nobunaga killed him and destroyed Suemori Castle in the process.Gozen survived both Nobunaga and her grandson Oda Nobutada after their death in the Honno-ji Incident in 1582.