 He suggested that the clan adopt Uesugi Tsunanori, the son of Tsunakatsu's younger sister and Kira Yoshinaka as heir, although this would mean splitting the domain in half, down to only the 150,000 "koku" portion within Dewa province.This decision led to severe financial difficulties in the domain, for the Uesugi and their administration, and for the increasingly impoverished peasants.The problem became so severe that the eighth "daimyō", Uesugi Shigetada, seriously considered surrendering the domain to the shogunate.