The following incident occurred as well: Nobuyoshi FUJITA, who had been a retainer of the Uesugi clan, had worked as the Jodai officer (the officer sent for controlling the castle) in Tsugawa-jo Castle and had been intimate with Ieyasu as well, left the Aizu side and came to inform Hidetada TOKUGAWA in Edo that 'The Uesugi clan had an intention against the central government.'
上杉氏の家臣で津川城城代を務め、家康とも懇意にあった藤田信吉が会津から出奔し、江戸の徳川秀忠のもとへ「上杉氏に叛意あり」と訴えるという事件も起きた。