When his legitimate son Nobutake fell ill in Kyoto, Tamenobu, in spite of his own illness, visited Nobutake from Tsugaru to Kyoto accompanied by Nobuhiro, and died there.
嫡男信建が京で病に倒れた際、津軽にいた為信は、自身も病に陥っていたにもかかわらず、信枚を伴って京まで見舞いに訪れ、そのまま同地で没している。