As Morichika killed his elder brother, Chikatada TSUNO because of slander by Morichika's vassal, Chikanao HISATAKE, he invited Ieyasu's anger and was deprived of his position and territory.
家臣・久武親直の讒言から兄の津野親忠を殺害してしまい、家康の怒りを買って、領土没収で改易となってしまった。