お家騒動
However, his position as the son of a concubine resulted in a split in the ranks of the senior retainers of Tsugaru Domain, with a large faction supporting Tsugaru Nobufusa due to his blood connection to the Tokugawa, and due to the fact that he was born as son of Nobuhira’s official wife. This resulted in an "O-Ie Sōdō" known as the "Funahashi Sōdō" of 1634, which was only suppressed with the assistance of the Tokugawa shogunate and which resulted in the exile of a number of Nobufusa’s supporters in 1636. Problems arose again in 1647 in what was called the "Shōhō Sōdō", with remaining supporters of Nobufusa demanding that Nobuyoshi retire in favour of his younger half-brother, alleging misgovernment through excessive drinking and womanizing.